{"title":"Air Pumps, Aeration \u0026 CO2","description":null,"products":[{"product_id":"bioscape-bioscape-co2-reactor-with-onoff-valve","title":"Bioscape CO2 Reactor with On\/Off Valve","description":"\u003cp\u003e\u003cstrong\u003eSteady CO2 for planted tanks, no gas bottles.\u003c\/strong\u003e The Bioscape CO2 Reactor with On\/Off Valve generates CO2 by reacting two dry compounds — citric acid and sodium bicarbonate — with water inside a stainless steel cylinder, then feeds the gas out through a manual on\/off valve and bubble counter. There's no compressed cylinder to source, swap or refill at a gas supplier: recharge the reaction chamber yourself and it runs for weeks.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo gas bottles or refill trips\u003c\/strong\u003e — CO2 comes from mixing citric acid and bicarbonate of soda with water in the reaction cylinder, both sold separately as Bioscape CO2 Reagent A and Reagent B.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUS304 stainless steel cylinder\u003c\/strong\u003e — built to withstand roughly ten times the pressure the reaction actually produces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual on\/off valve\u003c\/strong\u003e — simple control with no wiring or timer required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong runtime per charge\u003c\/strong\u003e — Bioscape rates one charge at roughly 60 days or more, running at one bubble per second.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in bubble counter\u003c\/strong\u003e — see your CO2 rate at a glance without a separate accessory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure relief built in\u003c\/strong\u003e — the regulator releases gas automatically if pressure runs high, rather than relying on you to catch it.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eARI10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e9327975042530\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCylinder material\u003c\/th\u003e\n\u003ctd\u003eSUS304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking pressure\u003c\/th\u003e\n\u003ctd\u003e10 kg\/cm² usable; regulator rated to approximately 20 kg\/cm² full pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eManual on\/off valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReagents required per charge\u003c\/th\u003e\n\u003ctd\u003eCitric acid 200 g + sodium bicarbonate 200 g + water 300 mL (reagents sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEstimated runtime\u003c\/th\u003e\n\u003ctd\u003e60 days or more at one bubble per second (Bioscape's single published reference point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e12 months, manufacturing faults only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhat's included \/ Not included\u003c\/h3\u003e\u003cp\u003eThis is a reagent-based generator, not a complete plug-and-play CO2 kit — read both lists before you order.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e reaction cylinder, pressure regulator with on\/off valve, bubble counter, fill funnel, and hosing.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eNot included:\u003c\/strong\u003e Reagent A (citric acid, 200 g) and Reagent B (sodium bicarbonate, 200 g), both sold separately and needed before the reactor can run; a CO2 diffuser — this model does not include one (see the Bioscape CO2 Diffuser, BIS15, or the Reactor with Solenoid and Diffuser below if you want one bundled in).\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhich Bioscape CO2 reactor do I need?\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eARI10 – On\/Off Valve\u003c\/th\u003e\n\u003cth\u003eARI11 – Solenoid and Diffuser\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eManual on\/off valve\u003c\/td\u003e\n\u003ctd\u003eElectronic solenoid, wired for a light timer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiffuser included\u003c\/th\u003e\n\u003ctd\u003eNo — buy separately (BIS15)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003ctd\u003eTanks where you're happy to switch CO2 on and off yourself, or run it continuously\u003c\/td\u003e\n\u003ctd\u003eTanks where you want CO2 to follow your lighting schedule automatically\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReagents\u003c\/th\u003e\n\u003ctd\u003eReagent A and B, sold separately\u003c\/td\u003e\n\u003ctd\u003eReagent A and B, sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eBoth reactors share the same cylinder, working pressure and rated runtime — the difference is entirely in how the gas is switched on and off, and whether a diffuser is in the box.\u003c\/p\u003e\u003ch3\u003ePerformance\u003c\/h3\u003e\u003cp\u003eBioscape's published figure is a single reference point: at one bubble per second, a charge lasts roughly 60 days or more. Bioscape has not published a full table of runtime against bubble rate, so treat this as a guide rather than a precise curve — a faster bubble rate will use the charge more quickly than 60 days, and a slower one will stretch it further.\u003c\/p\u003e\u003ch3\u003eSetup and use\u003c\/h3\u003e\u003cp\u003eAdd the citric acid and bicarbonate to the reaction cylinder through the supplied funnel, tilt the cylinder to roughly 45 degrees, then add the 300 mL of water. Screw the regulator and cylinder back together promptly without over-tightening. Fill the bubble counter with water and fit it to the fine adjustment valve, then open the on\/off valve to start gas flow.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eThe cylinder walls get cold during the reaction — this is normal chemistry, not a fault. The regulator has a pressure relief valve that releases gas automatically if pressure runs high. Handle the bubble counter gently rather than forcing it off; mechanical damage from misuse isn't covered under warranty.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eBioscape's manual notes the desiccant beads inside can be dried out in an oven and reused once they change colour, and that all components should be kept dry when the reactor isn't in use.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered for 12 months against manufacturing faults, on top of your consumer guarantee rights under Australian Consumer Law. This is a bulkier item and attracts additional freight, confirmed at checkout.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDo I need a gas bottle or a refill service to run this?\u003c\/h4\u003e\u003cp\u003eNo. CO2 comes from mixing Reagent A (citric acid) and Reagent B (sodium bicarbonate) with water inside the cylinder — both reagents are sold separately.\u003c\/p\u003e\u003ch4\u003eDoes it come with a diffuser?\u003c\/h4\u003e\u003cp\u003eNo. This on\/off valve model doesn't include one — the Bioscape CO2 Diffuser (BIS15) is sold separately, or the Reactor with Solenoid and Diffuser (ARI11) includes one in the box.\u003c\/p\u003e\u003ch4\u003eHow long does one charge last?\u003c\/h4\u003e\u003cp\u003eBioscape's figure is roughly 60 days or more at one bubble per second — actual runtime will vary with your bubble rate.\u003c\/p\u003e\u003ch4\u003eCan I automate it with a timer?\u003c\/h4\u003e\u003cp\u003eNot this model — the on\/off valve is manual. For timer-driven control, the Reactor with Solenoid and Diffuser (ARI11) has an electronic solenoid built in.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774333767971,"sku":"ARI10","price":403.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-co2-reactor-with-onoff-valve-563939.webp?v=1790230840"},{"product_id":"bioscape-bioscape-co2-reactor-with-solenoid-and-diffuser","title":"Bioscape CO2 Reactor with Solenoid and Diffuser","description":"\u003cp\u003e\u003cstrong\u003eCO2 that switches on and off with your lights.\u003c\/strong\u003e The Bioscape CO2 Reactor with Solenoid and Diffuser generates CO2 the same reagent-based way as the On\/Off Valve model, but adds an electronic solenoid you can wire to a timer, plus a diffuser included in the box — so gas runs on your lighting schedule and dissolves into the water without buying extra parts.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo gas bottles or refill trips\u003c\/strong\u003e — CO2 comes from mixing citric acid and bicarbonate of soda with water in the reaction cylinder, both sold separately as Reagent A and Reagent B.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic solenoid\u003c\/strong\u003e — wire it to an aquarium light timer so CO2 runs only while the lights are on, rather than dosing around the clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiffuser included\u003c\/strong\u003e — unlike the On\/Off Valve model, this one ships with a diffuser fitted, so gas goes straight into fine bubbles from day one.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUS304 stainless steel cylinder\u003c\/strong\u003e — built to withstand roughly ten times the pressure the reaction produces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong runtime per charge\u003c\/strong\u003e — Bioscape rates one charge at roughly 60 days or more, running at one bubble per second.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure relief built in\u003c\/strong\u003e — the regulator releases gas automatically if pressure runs high.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eARI11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e9327975042547\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCylinder material\u003c\/th\u003e\n\u003ctd\u003eSUS304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking pressure\u003c\/th\u003e\n\u003ctd\u003e10 kg\/cm² usable; regulator rated to approximately 20 kg\/cm² full pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eElectronic solenoid, wired for timer control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiffuser\u003c\/th\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReagents required per charge\u003c\/th\u003e\n\u003ctd\u003eCitric acid 200 g + sodium bicarbonate 200 g + water 300 mL (reagents sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEstimated runtime\u003c\/th\u003e\n\u003ctd\u003e60 days or more at one bubble per second (Bioscape's single published reference point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e12 months, manufacturing faults only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eBioscape has not published the solenoid's voltage or wattage. Check with Bioscape or your retailer before pairing it with a third-party timer if load rating matters to you.\u003c\/p\u003e\u003ch3\u003eWhat's included \/ Not included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e reaction cylinder, pressure regulator, contents gauge, needle valve, bubble counter, electronic solenoid valve, CO2 diffuser, fill funnel, and hosing.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eNot included:\u003c\/strong\u003e Reagent A (citric acid, 200 g) and Reagent B (sodium bicarbonate, 200 g), both sold separately and needed before the reactor can run; a timer to switch the solenoid — any standard aquarium light timer will do the job, but one isn't in the box.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhich Bioscape CO2 reactor do I need?\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eARI10 – On\/Off Valve\u003c\/th\u003e\n\u003cth\u003eARI11 – Solenoid and Diffuser\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eManual on\/off valve\u003c\/td\u003e\n\u003ctd\u003eElectronic solenoid, wired for a light timer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiffuser included\u003c\/th\u003e\n\u003ctd\u003eNo — buy separately (BIS15)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003ctd\u003eTanks where you're happy to switch CO2 on and off yourself, or run it continuously\u003c\/td\u003e\n\u003ctd\u003eTanks where you want CO2 to follow your lighting schedule automatically\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReagents\u003c\/th\u003e\n\u003ctd\u003eReagent A and B, sold separately\u003c\/td\u003e\n\u003ctd\u003eReagent A and B, sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eBoth reactors share the same cylinder, working pressure and rated runtime. The solenoid adds automation and the diffuser is one less thing to buy separately — that's the difference in price and complexity.\u003c\/p\u003e\u003ch3\u003ePerformance\u003c\/h3\u003e\u003cp\u003eBioscape's published figure is a single reference point: at one bubble per second, a charge lasts roughly 60 days or more. No full table of runtime against bubble rate has been published, so treat it as a guide — running the solenoid only during lighting hours, rather than continuously, will stretch a charge further than the 60-day figure, which assumes constant flow.\u003c\/p\u003e\u003ch3\u003eSetup and use\u003c\/h3\u003e\u003cp\u003eAdd the citric acid and bicarbonate to the reaction cylinder through the supplied funnel, tilt the cylinder to roughly 45 degrees, then add the 300 mL of water. Screw the regulator and cylinder back together promptly without over-tightening. Fill the bubble counter with water and fit it to the fine adjustment valve. Wire the solenoid to your aquarium light timer so CO2 injection follows your photoperiod.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eThe solenoid is a delicate electronic component and can be damaged if forced — don't use excess force fitting or removing it. The cylinder walls get cold during the reaction, which is normal. The regulator's pressure relief valve releases gas automatically if pressure runs high. Mechanical damage from misuse isn't covered under warranty.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eBioscape's manual notes the desiccant beads inside can be dried out in an oven and reused once they change colour, and that all components should be kept dry when the reactor isn't in use. Check the diffuser's sintered disc periodically and clean it if bubbles start looking coarser than usual.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered for 12 months against manufacturing faults, on top of your consumer guarantee rights under Australian Consumer Law. This is a bulkier item and attracts additional freight, confirmed at checkout.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDo I need a gas bottle or a refill service to run this?\u003c\/h4\u003e\u003cp\u003eNo. CO2 comes from mixing Reagent A (citric acid) and Reagent B (sodium bicarbonate) with water inside the cylinder — both reagents are sold separately.\u003c\/p\u003e\u003ch4\u003eDoes it come with a diffuser?\u003c\/h4\u003e\u003cp\u003eYes — this model includes a diffuser in the box, unlike the On\/Off Valve model.\u003c\/p\u003e\u003ch4\u003eDoes it come with a timer?\u003c\/h4\u003e\u003cp\u003eNo. The solenoid is wired ready to connect to a standard aquarium light timer, but the timer itself isn't included.\u003c\/p\u003e\u003ch4\u003eWhat voltage does the solenoid run on?\u003c\/h4\u003e\u003cp\u003eBioscape hasn't published this figure. Check with Bioscape or your retailer before wiring it into a third-party controller if the load rating matters for your setup.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774333800739,"sku":"ARI11","price":461.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-co2-reactor-with-solenoid-and-diffuser-596707.webp?v=1790230840"},{"product_id":"bioscape-bioscape-co2-reagent-a-200gms","title":"Bioscape CO2 Reagent A 200gms","description":"\u003cp\u003e\u003cstrong\u003eThe citric acid half of Bioscape's CO2 reactor charge.\u003c\/strong\u003e Bioscape CO2 Reagent A is a 200 g pack of citric acid, one of the two dry compounds that react with water inside a Bioscape CO2 Reactor (ARI10 or ARI11) to generate a steady CO2 supply for planted tanks. It's sold on its own because reactors need re-charging repeatedly — buy it alongside Reagent B, since the reactor needs both together.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCitric acid, 200 g\u003c\/strong\u003e — the acid half of Bioscape's two-part reagent reaction, matched to a single reactor recharge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePairs with Reagent B\u003c\/strong\u003e — sodium bicarbonate, sold separately; the reactor needs both plus 300 mL of water to run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo gas bottles or cylinder refills\u003c\/strong\u003e — the whole point of Bioscape's reactor system is generating CO2 from these two compounds rather than sourcing compressed gas.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eARI21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e9327975042899\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eActive ingredient\u003c\/th\u003e\n\u003ctd\u003eCitric acid, 200 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUsed with\u003c\/th\u003e\n\u003ctd\u003eBioscape CO2 Reagent B (sodium bicarbonate, 200 g, sold separately) and 300 mL water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eBioscape CO2 Reactor with On\/Off Valve (ARI10); Bioscape CO2 Reactor with Solenoid and Diffuser (ARI11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhich reactor does this fit?\u003c\/h3\u003e\u003cp\u003eBoth Bioscape reactors — the ARI10 (on\/off valve) and the ARI11 (solenoid and diffuser) — use the same reagent charge: this Reagent A plus Reagent B and water, per Bioscape's published CO2 generator manual.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e recharging a Bioscape CO2 Reactor (ARI10 or ARI11) once a previous reagent charge is spent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e use on its own — citric acid alone doesn't generate CO2; it needs Reagent B and water in the reaction cylinder to react.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDosage and directions\u003c\/h3\u003e\u003cp\u003eAdd the full 200 g pack to the reaction cylinder alongside a 200 g pack of Reagent B, using the funnel supplied with the reactor. Tilt the cylinder to roughly 45 degrees before adding 300 mL of water, then reassemble the cylinder and regulator promptly without over-tightening.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eCitric acid is a mild food-grade acid, but keep it away from eyes and out of reach of children, and don't mix it with anything other than Reagent B and water inside the reactor as directed. Store the pack dry and sealed.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eKeep unused reagent dry and sealed between charges — Bioscape's manual notes that reactor components should be kept dry when the system isn't in use, and the same applies to stored reagent.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered under your consumer guarantee rights under Australian Consumer Law if the pack arrives damaged or short-filled. Ships as a small parcel.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eCan I use this on its own without Reagent B?\u003c\/h4\u003e\u003cp\u003eNo. Citric acid alone doesn't produce CO2 — it needs to react with Reagent B (sodium bicarbonate) and water inside the reactor.\u003c\/p\u003e\u003ch4\u003eHow often will I need to buy this?\u003c\/h4\u003e\u003cp\u003eBioscape rates one charge at roughly 60 days or more at one bubble per second, so budget a fresh pack of Reagent A and B roughly every two months at that rate — faster bubble rates will use a charge sooner.\u003c\/p\u003e\u003ch4\u003eDoes this fit both Bioscape reactors?\u003c\/h4\u003e\u003cp\u003eYes — the ARI10 and ARI11 use the same reagent charge.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774334062883,"sku":"ARI21","price":20.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-co2-reagen-43876757569827.webp?v=1790239535"},{"product_id":"bioscape-bioscape-co2-reagent-b-200gms","title":"Bioscape CO2 Reagent B 200gms","description":"\u003cp\u003e\u003cstrong\u003eReagent B is the sodium bicarbonate half of Bioscape's two-part chemical CO2 system.\u003c\/strong\u003e It reacts with Reagent A (citric acid) and water inside a Bioscape CO2 Reactor to generate a steady CO2 supply for planted aquariums, without a gas cylinder or refill trips to a supplier.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure sodium bicarbonate (NaHCO3)\u003c\/strong\u003e — the alkaline reagent in Bioscape's citric-acid-and-bicarbonate CO2 reaction, confirmed against Bioscape's own ARI10-11 generator manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold as a 200 g refill\u003c\/strong\u003e — top up a Bioscape CO2 Reactor once the existing charge is spent, without replacing the reactor itself.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo cylinder, no refill queue\u003c\/strong\u003e — the reaction is self-contained in the reactor bottle, so there's nothing to swap at a gas supplier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMust be paired with Reagent A\u003c\/strong\u003e — Bioscape's own instructions are explicit that Reagent B is only ever used in conjunction with Reagent A, never alone.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eARI22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e9327975042905\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003ctd\u003e200 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eActive compound\u003c\/th\u003e\n\u003ctd\u003eSodium bicarbonate (NaHCO3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUsed with\u003c\/th\u003e\n\u003ctd\u003eBioscape CO2 Reagent A (citric acid) and water, in a Bioscape CO2 Reactor (ARI10\/ARI11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDosage and directions\u003c\/h3\u003e\u003cp\u003eBioscape's official ARI10-11 generator manual states a full charge combines \u003cstrong\u003e200 g of reagent with 300 mL of water\u003c\/strong\u003e inside the reactor bottle. Bioscape has not published the exact split between Reagent A and Reagent B within that 200 g, so we can't tell you here how many charges one 200 g pack of Reagent B alone will yield when paired with separately-purchased Reagent A — buying A and B together in matching pack sizes is the simplest way to avoid running out of one half mid-cycle.\u003c\/p\u003e\u003cp\u003eRun at roughly one bubble per second, Bioscape states a charge lasts \u003cstrong\u003e60 days or more\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e topping up a Bioscape CO2 Reactor (ARI10\/ARI11) for planted freshwater aquariums.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e use on its own — it does nothing without Reagent A and water, and it is not designed for pressurised gas-cylinder CO2 systems from other brands.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eStore the powder dry and sealed until use. Follow Bioscape's manual for the reactor itself — the manual notes the reactor's internal pressure and warns that the system's solenoid valve (sold separately) is delicate and can be damaged if forced.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eAny fault on arrival is covered under your consumer guarantee rights under Australian Consumer Law. Ships as a small parcel.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eCan I use Reagent B on its own?\u003c\/h4\u003e\u003cp\u003eNo. Bioscape's instructions require Reagent A and Reagent B together with water — Reagent B alone will not generate CO2.\u003c\/p\u003e\u003ch4\u003eHow long does a 200 g pack last?\u003c\/h4\u003e\u003cp\u003eBioscape's manual states a full charge (both reagents combined, 200 g total, with 300 mL water) lasts 60 days or more at one bubble per second. The exact number of charges a single 200 g pack of just Reagent B provides depends on the A:B split, which Bioscape has not published.\u003c\/p\u003e\u003ch4\u003eDoes this fit any CO2 reactor, or only Bioscape's?\u003c\/h4\u003e\u003cp\u003eIt's formulated for the Bioscape CO2 Reactor system (ARI10\/ARI11). We can't confirm compatibility with other brands' chemical reactors.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774334095651,"sku":"ARI22","price":14.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-co2-reagen-43876757995811.webp?v=1790239535"},{"product_id":"bioscape-bioscape-tropic-air-pump-500-single-wcheck-valve","title":"Bioscape Tropic Air Pump 500 Single w\/Check Valve","description":"\u003cp\u003e\u003cstrong\u003eA quiet single-outlet air pump sized for tanks up to 45 litres.\u003c\/strong\u003e The Bioscape Tropic Air Pump 500 (BIS50) runs one airline at a steady 30 L\/h, enough for a single airstone, sponge filter or bubbling ornament in a nano to small community tank, and it ships with a check valve fitted to stop water siphoning back into the pump if the power cuts out.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 L\/h rated output\u003c\/strong\u003e — enough for one airstone or sponge filter in tanks up to about 45 L.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle outlet\u003c\/strong\u003e — one airline in, one airline out; no manifold or splitter needed for a single-stone setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck valve included\u003c\/strong\u003e — fitted in-line to stop tank water siphoning back into the pump body during a power outage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiaphragm motor\u003c\/strong\u003e — runs continuously without oil changes or servicing, built for 24-hour aquarium duty rather than intermittent use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and marine safe\u003c\/strong\u003e — the pump only moves air, not water, so it's safe to run on either water type.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eBioscape Tropic Air Pump 500\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eBIS50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated air output\u003c\/td\u003e\n\u003ctd\u003e30 L\/h (0.5 L\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlets\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCheck valves included\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended tank size\u003c\/td\u003e\n\u003ctd\u003eUp to 45 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003eAustralian mains, 230–240 V AC, 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eManufacturer warranty against defects — see Warranty section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003ePerformance\u003c\/h3\u003e\u003cp\u003e30 L\/h is the rated output measured at the pump's normal operating depth in a standard aquarium. Bioscape does not publish a full output-against-depth or back-pressure curve for this model, so we can't show how output falls as airline depth increases — as a rule of thumb on any diaphragm pump, expect noticeably less flow once the airstone sits deeper than about 40–50 cm, which lines up with the 45 L tank size Bioscape rates it for.\u003c\/p\u003e\u003ch3\u003eWhich Tropic air pump do I need?\u003c\/h3\u003e\u003cp\u003eThe Tropic range runs from this single-outlet 500 up to the quad-outlet 8000. For a single small tank, stick with a single-outlet model matched to your tank size. Once you're running more than one airline — a sponge filter and an ornament, or more than one tank on the same shelf — a multi-outlet pump like the Tropic 8000 is the better buy, since splitting one single-outlet pump across two airlines with a manifold halves the output to each.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eTropic 500\u003c\/th\u003e\n\u003cth\u003eTropic 8000\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlets\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated output\u003c\/td\u003e\n\u003ctd\u003e30 L\/h\u003c\/td\u003e\n\u003ctd\u003e720 L\/h (12 L\/min) across 4 outlets, adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended tank size\u003c\/td\u003e\n\u003ctd\u003eUp to 45 L\u003c\/td\u003e\n\u003ctd\u003e100–600 L, or multiple smaller tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCheck valves included\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for a single airstone, sponge filter or bubbling ornament in a freshwater or marine tank up to about 45 L. Not suitable as the sole aeration for multiple tanks or multiple airlines — for that, step up to a multi-outlet model such as the Tropic 8000.\u003c\/p\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cp\u003eThe pump body and one in-line check valve. It does not include airline tubing, an airstone, a control valve or a manifold — add these separately if you don't already have them.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eMains-powered — keep the pump above the waterline at all times and never submerge it. The included check valve is the primary defence against back-siphon during a power cut, but Bioscape and we both recommend also sitting the pump higher than the water surface as a second layer of protection.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirline tubing\u003c\/strong\u003e — needed to connect the pump to an airstone or sponge filter; not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirstone or air diffuser\u003c\/strong\u003e — turns the air output into fine bubbles for better gas exchange.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSponge filter\u003c\/strong\u003e — a common pairing for nano and breeding tanks, driven by this pump's single outlet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl valve\u003c\/strong\u003e — lets you throttle output below the pump's rated 30 L\/h if it's louder or bubblier than you want.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by Bioscape's manufacturer warranty against defects, in addition to your rights under Australian Consumer Law. Ships as a small parcel item.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWill this run an airstone and a sponge filter at the same time?\u003c\/h4\u003e\u003cp\u003eNot well from a single outlet — splitting the 30 L\/h output across two airlines reduces flow to each. For two airlines, use a twin-outlet Tropic pump instead.\u003c\/p\u003e\u003ch4\u003eDo I need the check valve if the pump sits above the tank?\u003c\/h4\u003e\u003cp\u003eSitting the pump above the waterline already reduces the risk, but the included check valve is a second layer of protection and should stay fitted.\u003c\/p\u003e\u003ch4\u003eIs it loud?\u003c\/h4\u003e\u003cp\u003eBioscape markets the Tropic range as quiet-running; like any diaphragm pump it will develop a faint hum over time as the diaphragm wears, at which point a diaphragm\/valve service kit (where available) is the fix rather than the whole unit.\u003c\/p\u003e\u003ch4\u003eCan I use it in a marine or reef tank?\u003c\/h4\u003e\u003cp\u003eYes — it only pumps air, not water, so it's safe for both freshwater and marine setups.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774335471907,"sku":"BIS50","price":21.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-tropic-air-43876759503139.webp?v=1790239538"},{"product_id":"bioscape-bioscape-tropic-air-pump-1000-single-wcheck-valve","title":"Bioscape Tropic Air Pump 1000 Single w\/Check Valve","description":"\u003cp\u003e\u003cstrong\u003eQuiet, steady aeration for tanks up to 45 litres.\u003c\/strong\u003e The Bioscape Tropic 1000 is a single-outlet air pump built for nano and small aquariums, moving a steady 60 litres of air an hour through one line — enough to run an airstone, a sponge filter or a small ornament without the buzz of a cheap pump. A check valve is included, so the line is protected the moment it's installed.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e60 L\/h single-outlet output\u003c\/strong\u003e — enough for one airstone, sponge filter or ornament in a nano to small tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck valve included\u003c\/strong\u003e — stops water siphoning back into the pump if it's mounted below the waterline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-efficient diaphragm motor\u003c\/strong\u003e — runs continuously without a noticeable hum in a quiet room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and marine safe\u003c\/strong\u003e — the same pump works across a community tank, a planted tank or a nano reef sump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact footprint\u003c\/strong\u003e — sits on a shelf or cabinet top beside the tank; no plumbing into the aquarium itself.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eTropic 1000\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlets\u003c\/td\u003e\n\u003ctd\u003eSingle, with check valve included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir output\u003c\/td\u003e\n\u003ctd\u003e60 L\/h (approx. 1 L\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended tank size\u003c\/td\u003e\n\u003ctd\u003eUp to 45 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e230 V \/ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed control\u003c\/td\u003e\n\u003ctd\u003eNot fitted — fixed output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich Tropic air pump do I need?\u003c\/h3\u003e\u003cp\u003eBioscape's Tropic range steps up in output as tank size grows. The 1000 is the entry point for anything under about 45 litres; for a bigger single tank or a run of two lines, size up.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eOutlets\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003cth\u003eTank size\u003c\/th\u003e\n\u003cth\u003eSpeed control\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 1000\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003e60 L\/h\u003c\/td\u003e\n\u003ctd\u003eUp to 45 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 2000\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003e138 L\/h\u003c\/td\u003e\n\u003ctd\u003e25–50 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 3000\u003c\/td\u003e\n\u003ctd\u003eTwin\u003c\/td\u003e\n\u003ctd\u003e360 L\/h total\u003c\/td\u003e\n\u003ctd\u003e50–300 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 4000\u003c\/td\u003e\n\u003ctd\u003eTwin\u003c\/td\u003e\n\u003ctd\u003e360 L\/h total\u003c\/td\u003e\n\u003ctd\u003eUp to 300 L\u003c\/td\u003e\n\u003ctd\u003eYes — stepless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eIf you only need one airline and your tank is under 45 L, the 1000 is the right size — stepping up to the 2000 for a tank this small mostly buys quieter running at the same duty cycle, not extra capacity you'll use.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for single-airline aeration in nano and small freshwater or marine aquariums: one airstone, one sponge filter, or one air-driven ornament. Not intended to run two air-driven devices at once — for two lines, or for anything over 45 L, step up to the Tropic 2000 or 3000 instead.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eMains-powered — position the pump above the aquarium's waterline wherever possible, and always use the supplied check valve on the airline if the pump sits at or below water level. This stops water siphoning back into the pump during a power outage.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eWipe the housing dry and keep the intake vents free of dust. Diaphragm-driven air pumps lose output gradually as the rubber diaphragm ages; if the airflow noticeably drops off, the diaphragm is the first thing to check and replace rather than the whole pump.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered under Bioscape's manufacturer warranty against defects, in addition to your rights under Australian Consumer Law. Standard parcel delivery — no special freight handling required.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirline tubing\u003c\/strong\u003e — to connect the pump to its airstone or ornament.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirstones or air-driven ornaments\u003c\/strong\u003e — the load the pump is sized to run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSponge filter\u003c\/strong\u003e — a common single-line pairing for nano and breeding tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWill the Tropic 1000 run a sponge filter and an airstone at the same time?\u003c\/h4\u003e\u003cp\u003eNot well — it has one outlet and is sized for one device. Splitting the line to run two things at once will noticeably reduce output to both. For two lines, choose the Tropic 3000 or 4000.\u003c\/p\u003e\u003ch4\u003eDo I need the check valve if the pump sits above the tank?\u003c\/h4\u003e\u003cp\u003eIt's still worth using. A check valve protects against back-siphoning if the pump is ever moved, unplugged, or loses power while positioned at or near water level.\u003c\/p\u003e\u003ch4\u003eIs it loud?\u003c\/h4\u003e\u003cp\u003eBioscape markets it as a quiet-running pump; no decibel figure is published for this model, so if noise is a concern in a bedroom setting, sitting the pump on a folded cloth reduces vibration noise further.\u003c\/p\u003e\u003ch4\u003eIs it safe for a marine nano tank?\u003c\/h4\u003e\u003cp\u003eYes — it's rated for freshwater and marine use.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774335504675,"sku":"BIS51","price":24.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-tropic-air-pump-100-10135262331171-1-dq.webp?v=1790372666"},{"product_id":"bioscape-bioscape-tropic-air-pump-2000-single-wcheck-valve","title":"Bioscape Tropic Air Pump 2000 Single w\/Check Valve","description":"\u003cp\u003e\u003cstrong\u003eMore lift for tanks up to 50 litres, still one line.\u003c\/strong\u003e The Bioscape Tropic 2000 is a single-outlet air pump that steps up from the entry-level Tropic 1000, moving roughly double the air — 138 litres an hour — through one line. It's the pick when a tank sits toward the top of the small-tank range, or when an airstone or ornament sits a little deeper and needs more push to bubble evenly. A check valve is included.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e138 L\/h single-outlet output\u003c\/strong\u003e — roughly double the Tropic 1000, for tanks toward 50 L or deeper-set airstones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck valve included\u003c\/strong\u003e — protects the pump from back-siphon if it's mounted at or below the waterline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-efficient diaphragm motor\u003c\/strong\u003e — designed for continuous running.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and marine safe\u003c\/strong\u003e — one pump across community, planted or nano marine setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact footprint\u003c\/strong\u003e — no plumbing into the tank itself.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eTropic 2000\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlets\u003c\/td\u003e\n\u003ctd\u003eSingle, with check valve included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir output\u003c\/td\u003e\n\u003ctd\u003e138 L\/h (approx. 2.3 L\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended tank size\u003c\/td\u003e\n\u003ctd\u003e25–50 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e230 V \/ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed control\u003c\/td\u003e\n\u003ctd\u003eNot fitted — fixed output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich Tropic air pump do I need?\u003c\/h3\u003e\u003cp\u003eThe 2000 earns its place over the entry-level 1000 when the tank runs toward the top of the small-tank bracket, or when the airline needs to push a little further against water depth. For two airlines at once, neither the 1000 nor the 2000 is the right choice — both are single-outlet.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eOutlets\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003cth\u003eTank size\u003c\/th\u003e\n\u003cth\u003eSpeed control\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 1000\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003e60 L\/h\u003c\/td\u003e\n\u003ctd\u003eUp to 45 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 2000\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003e138 L\/h\u003c\/td\u003e\n\u003ctd\u003e25–50 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 3000\u003c\/td\u003e\n\u003ctd\u003eTwin\u003c\/td\u003e\n\u003ctd\u003e360 L\/h total\u003c\/td\u003e\n\u003ctd\u003e50–300 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 4000\u003c\/td\u003e\n\u003ctd\u003eTwin\u003c\/td\u003e\n\u003ctd\u003e360 L\/h total\u003c\/td\u003e\n\u003ctd\u003eUp to 300 L\u003c\/td\u003e\n\u003ctd\u003eYes — stepless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for a single airline in a 25–50 L freshwater or marine tank — one airstone, sponge filter or ornament. Not suitable for running two air-driven devices from one outlet, and not sized for tanks over about 50 L — move to the twin-outlet Tropic 3000 or 4000 for those.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eMains-powered — position the pump above the aquarium's waterline where possible, and always keep the check valve fitted on the airline if the pump sits at or below water level, to stop back-siphoning if power drops out.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eKeep the housing dry and the intake vents dust-free. A gradual drop in output over time usually means the internal diaphragm needs replacing, not the whole pump.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered under Bioscape's manufacturer warranty against defects, in addition to your rights under Australian Consumer Law. Standard parcel delivery.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirline tubing\u003c\/strong\u003e — to run from the pump to the airstone or ornament.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirstones or air-driven ornaments\u003c\/strong\u003e — sized to the pump's single outlet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSponge filter\u003c\/strong\u003e — a common single-line pairing for breeding and nano tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWhat's the real difference between the Tropic 1000 and 2000?\u003c\/h4\u003e\u003cp\u003eOutput. The 2000 moves roughly double the air of the 1000 through the same single outlet — worth it once the tank nudges toward 50 L or the airstone sits deeper in the water column.\u003c\/p\u003e\u003ch4\u003eCan I run two airstones off the 2000?\u003c\/h4\u003e\u003cp\u003eNot well from one outlet — splitting the line reduces flow to both. For two lines, choose the twin-outlet Tropic 3000 or 4000.\u003c\/p\u003e\u003ch4\u003eDoes it need a check valve if it sits beside the tank, above the waterline?\u003c\/h4\u003e\u003cp\u003eIt's still worth fitting — it protects against back-siphon if the pump is later moved, unplugged, or loses power near water level.\u003c\/p\u003e\u003ch4\u003eIs it reef safe?\u003c\/h4\u003e\u003cp\u003eYes, Bioscape rates it for both freshwater and marine use, including nano reef sumps.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774335570211,"sku":"BIS52","price":31.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-tropic-air-pump-200-10135262396707-1-dq.webp?v=1790372665"},{"product_id":"bioscape-bioscape-tropic-air-pump-3000-twin-w2-check-valves","title":"Bioscape Tropic Air Pump 3000 Twin w\/2 Check Valves","description":"\u003cp\u003e\u003cstrong\u003eTwo airlines, one pump, tanks up to 300 litres.\u003c\/strong\u003e The Bioscape Tropic 3000 is a twin-outlet air pump moving 360 litres of air an hour across two independent lines — enough to run two sponge filters, an airstone and an ornament, or split power between two smaller tanks from a single pump. Two check valves are included, one for each outlet.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwin outlets, 360 L\/h total\u003c\/strong\u003e — run two air-driven devices, or two separate tanks, from one pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo check valves included\u003c\/strong\u003e — one per outlet, protecting against back-siphon on both lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-efficient diaphragm motor\u003c\/strong\u003e — built for continuous, round-the-clock running.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and marine safe\u003c\/strong\u003e — suits community tanks, planted tanks and marine sumps alike.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScales to a full-size tank\u003c\/strong\u003e — rated up to 300 L, well beyond the single-outlet Tropic range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eTropic 3000\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlets\u003c\/td\u003e\n\u003ctd\u003eTwin, with 2 check valves included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir output\u003c\/td\u003e\n\u003ctd\u003e360 L\/h total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended tank size\u003c\/td\u003e\n\u003ctd\u003e50–300 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e230 V \/ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed control\u003c\/td\u003e\n\u003ctd\u003eNot fitted — fixed output on both outlets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich Tropic air pump do I need?\u003c\/h3\u003e\u003cp\u003eThe 3000 is the natural upgrade once a tank needs two airlines, or a single tank grows past the single-outlet range. It shares its output and tank-size rating with the Tropic 4000 — the difference between the two isn't power, it's control: the 4000 adds stepless flow adjustment on each outlet, while the 3000 runs both lines at a fixed rate.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eOutlets\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003cth\u003eTank size\u003c\/th\u003e\n\u003cth\u003eSpeed control\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 1000\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003e60 L\/h\u003c\/td\u003e\n\u003ctd\u003eUp to 45 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 2000\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003e138 L\/h\u003c\/td\u003e\n\u003ctd\u003e25–50 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 3000\u003c\/td\u003e\n\u003ctd\u003eTwin\u003c\/td\u003e\n\u003ctd\u003e360 L\/h total\u003c\/td\u003e\n\u003ctd\u003e50–300 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 4000\u003c\/td\u003e\n\u003ctd\u003eTwin\u003c\/td\u003e\n\u003ctd\u003e360 L\/h total\u003c\/td\u003e\n\u003ctd\u003eUp to 300 L\u003c\/td\u003e\n\u003ctd\u003eYes — stepless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eChoose the 3000 over the 4000 if you don't need to fine-tune each line separately — it's the simpler, fixed-output version at the same total capacity.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for two airlines in one tank up to 300 L, or for splitting one line each across two smaller tanks. Not the right choice if you need to run one line harder than the other — both outlets are fixed and roughly even; for independent per-line control, choose the Tropic 4000 instead.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eMains-powered — position the pump above the aquarium's waterline where possible, and keep both supplied check valves fitted if the pump sits at or below water level, to prevent back-siphon during a power outage.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eKeep the housing dry and the intake vents clear of dust. A drop in output on one or both lines over time is usually the internal diaphragm wearing out rather than a fault with the pump — replacement diaphragms (Bioscape BIS53A, sold as a 2-pack) are available as a spare part rather than needing a full pump replacement.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered under Bioscape's manufacturer warranty against defects, in addition to your rights under Australian Consumer Law. Standard parcel delivery.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirline tubing\u003c\/strong\u003e — enough to run both outlets to their airstones or filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirstones, sponge filters or air-driven ornaments\u003c\/strong\u003e — sized to run two at once off this pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement diaphragm (BIS53A, 2-pack)\u003c\/strong\u003e — the standard service part for this model.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eCan I run the two outlets on two different tanks?\u003c\/h4\u003e\u003cp\u003eYes — the 3000 is commonly used to run one line each into two smaller tanks, as well as two lines into a single larger tank.\u003c\/p\u003e\u003ch4\u003eWhat's the difference between the 3000 and the 4000?\u003c\/h4\u003e\u003cp\u003eTotal output and tank size rating are the same. The 4000 adds stepless adjustable flow control on each outlet; the 3000 runs both outlets at a fixed rate.\u003c\/p\u003e\u003ch4\u003eDo both outlets run at the same time, and at the same strength?\u003c\/h4\u003e\u003cp\u003eYes — both outlets draw from the one motor and run continuously at a fixed, roughly even output.\u003c\/p\u003e\u003ch4\u003eIs it suitable for a marine sump?\u003c\/h4\u003e\u003cp\u003eYes, it's rated for freshwater and marine use.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774335602979,"sku":"BIS53","price":41.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-tropic-air-pump-300-10135262429475-1-dq.webp?v=1790372666"},{"product_id":"bioscape-bioscape-tropic-air-pump-4000-twin-w2-check-valves","title":"Bioscape Tropic Air Pump 4000 Twin w\/2 Check Valves","description":"\u003cp\u003e\u003cstrong\u003eTwo adjustable airlines, tanks up to 300 litres.\u003c\/strong\u003e The Bioscape Tropic 4000 is a twin-outlet air pump with stepless flow control on each line — 360 litres of air an hour total, split and fine-tuned independently across two outlets. It's the pick when two air-driven devices need genuinely different flow rates, not just two lines running the same. Two check valves are included.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwin outlets, 360 L\/h total (180 L\/h per outlet)\u003c\/strong\u003e — enough for two sponge filters, airstones or ornaments running together.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStepless adjustable flow control on each outlet\u003c\/strong\u003e — dial each line up or down independently without adding back pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo check valves included\u003c\/strong\u003e — one per outlet, protecting against back-siphon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 W energy-efficient motor\u003c\/strong\u003e — low running cost for continuous, round-the-clock use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and marine safe\u003c\/strong\u003e — suits community, planted and marine sump setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eTropic 4000\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlets\u003c\/td\u003e\n\u003ctd\u003eTwin, with 2 check valves included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir output\u003c\/td\u003e\n\u003ctd\u003e360 L\/h total (approx. 180 L\/h per outlet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended tank size\u003c\/td\u003e\n\u003ctd\u003eUp to 300 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e4 W, 230 V \/ 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.75 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed control\u003c\/td\u003e\n\u003ctd\u003eYes — stepless, independent per outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich Tropic air pump do I need?\u003c\/h3\u003e\u003cp\u003eThe 4000 shares its total output and tank-size rating with the Tropic 3000 — what it adds is control. If the two devices on your two lines need different flow rates (say, a deep airstone on one side and a shallow sponge filter on the other), the 4000's independent adjustment does that without pinching the line, which is the one thing that does add back pressure and shorten diaphragm life.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eOutlets\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003cth\u003eTank size\u003c\/th\u003e\n\u003cth\u003eSpeed control\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 1000\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003e60 L\/h\u003c\/td\u003e\n\u003ctd\u003eUp to 45 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 2000\u003c\/td\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003ctd\u003e138 L\/h\u003c\/td\u003e\n\u003ctd\u003e25–50 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 3000\u003c\/td\u003e\n\u003ctd\u003eTwin\u003c\/td\u003e\n\u003ctd\u003e360 L\/h total\u003c\/td\u003e\n\u003ctd\u003e50–300 L\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 4000\u003c\/td\u003e\n\u003ctd\u003eTwin\u003c\/td\u003e\n\u003ctd\u003e360 L\/h total\u003c\/td\u003e\n\u003ctd\u003eUp to 300 L\u003c\/td\u003e\n\u003ctd\u003eYes — stepless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eIf both lines only ever need to run the same, fixed output, the Tropic 3000 does the same job without the extra dials.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for two airlines in a tank up to 300 L where each line needs its own flow rate — a mix of devices, uneven placement, or two tanks of different sizes off one pump. Not needed if both lines will always run identically — the fixed-output Tropic 3000 covers that case.\u003c\/p\u003e\u003ch3\u003eRunning costs\u003c\/h3\u003e\u003cp\u003eDraws 4 W. Run continuously, as aquarium air pumps typically are, that works out to roughly 35 kWh a year — around $10.50 a year assuming a 30c\/kWh electricity tariff. Actual cost depends on your own electricity plan.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eMains-powered — position the pump above the aquarium's waterline where possible, and keep both check valves fitted if the pump sits at or below water level, to prevent back-siphon during a power outage.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eKeep the housing dry and the intake vents dust-free. Use the flow control to reduce output rather than pinching or kinking the airline — pinching adds back pressure that shortens diaphragm life. A drop in output despite the control being open usually means the diaphragm needs replacing; the Bioscape BIS54A replacement diaphragm (2-pack) is sold separately for this model.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered under Bioscape's manufacturer warranty against defects, in addition to your rights under Australian Consumer Law. Standard parcel delivery.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirline tubing\u003c\/strong\u003e — enough to run both adjustable outlets to their airstones or filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirstones, sponge filters or air-driven ornaments\u003c\/strong\u003e — mix and match, since each line adjusts independently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement diaphragm (BIS54A, 2-pack)\u003c\/strong\u003e — the standard service part for this model.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWhat does the flow control actually change?\u003c\/h4\u003e\u003cp\u003eIt adjusts the air output on each outlet independently, without adding back pressure the way pinching the airline would — useful when the two devices on your two lines need different amounts of air.\u003c\/p\u003e\u003ch4\u003eIs the 4000 quieter than the 3000?\u003c\/h4\u003e\u003cp\u003eBioscape markets both as quiet-running; no decibel figures are published for either model, so there's no measured difference to report.\u003c\/p\u003e\u003ch4\u003eHow much does it cost to run?\u003c\/h4\u003e\u003cp\u003eAt 4 W run continuously, expect roughly 35 kWh a year — about $10.50 annually at a 30c\/kWh tariff.\u003c\/p\u003e\u003ch4\u003eIs it reef safe?\u003c\/h4\u003e\u003cp\u003eYes, it's rated for freshwater and marine use, including marine sumps.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774335635747,"sku":"BIS54","price":49.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-tropic-air-pump-400-10135262462243-1-dq.webp?v=1790372666"},{"product_id":"bioscape-bioscape-tropic-air-pump-8000-4-outlet-w-4-check-valves","title":"Bioscape Tropic Air Pump 8000 4 Outlet w\/ 4 Check Valves","description":"\u003cp\u003e\u003cstrong\u003eFour adjustable outlets from one quiet pump, built for multi-tank fish rooms.\u003c\/strong\u003e The Bioscape Tropic Air Pump 8000 (BIS55) delivers a combined 720 L\/h (12 L\/min) of air across four independently adjustable outlets, enough to run a rack of sponge filters, several airstones or more than one tank from a single power point, and it ships with four check valves fitted.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e720 L\/h combined output across 4 outlets\u003c\/strong\u003e — enough headroom for a genuine multi-tank setup, not just one tank with airlines to spare.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividually adjustable outlets\u003c\/strong\u003e — balance flow per line so a small nano tank and a big sump don't fight each other on the same pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour check valves included\u003c\/strong\u003e — one per outlet, so a power cut on any line doesn't siphon tank water back into the pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiaphragm motor rated for continuous duty\u003c\/strong\u003e — designed to run 24 hours a day, not cycle on and off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and marine safe\u003c\/strong\u003e — moves air only, so it's safe across both water types and across different tanks on the same pump.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eBioscape Tropic Air Pump 8000\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eBIS55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated air output\u003c\/td\u003e\n\u003ctd\u003e720 L\/h (12 L\/min) combined, across 4 outlets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlets\u003c\/td\u003e\n\u003ctd\u003e4, individually adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCheck valves included\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended tank size\u003c\/td\u003e\n\u003ctd\u003e100–600 L, single tank or split across several\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003eAustralian mains, 230–240 V AC, 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eManufacturer warranty against defects — see Warranty section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003ePerformance\u003c\/h3\u003e\u003cp\u003e720 L\/h is the combined rated output across all four outlets, measured at the pump's normal operating depth. Bioscape does not publish a per-outlet output-against-depth or back-pressure curve for this model. In practice, running all four outlets at once and at depth in a tall tank will draw the total below 720 L\/h — the adjustable flow control on each outlet is there so you can rebalance rather than expect the rated figure on every line simultaneously.\u003c\/p\u003e\u003ch3\u003eWhich Tropic air pump do I need?\u003c\/h3\u003e\u003cp\u003eThe 8000 is the top of the Tropic air pump range and the one to reach for once you're past a single small tank. If you only run one tank under about 45 L, the single-outlet Tropic 500 is the simpler and cheaper option.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eTropic 500\u003c\/th\u003e\n\u003cth\u003eTropic 8000\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlets\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated output\u003c\/td\u003e\n\u003ctd\u003e30 L\/h\u003c\/td\u003e\n\u003ctd\u003e720 L\/h (12 L\/min) across 4 outlets, adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended tank size\u003c\/td\u003e\n\u003ctd\u003eUp to 45 L\u003c\/td\u003e\n\u003ctd\u003e100–600 L, or multiple smaller tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCheck valves included\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for a large single tank running several airlines, a sump, or several smaller tanks sharing one pump — the kind of fish-room setup where a single-outlet pump would mean buying and plugging in three or four separate units. Not suitable as a substitute for a proper return pump or powerhead where actual water flow, not aeration, is what's needed.\u003c\/p\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cp\u003eThe pump body and four in-line check valves, one per outlet. It does not include airline tubing, airstones, a manifold beyond the four built-in outlets, or a control valve — those are added separately.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eMains-powered — position the pump above the highest waterline it's connected to and never submerge it. The four check valves protect each line individually, but on tanks where the pump sits below the waterline, add the standard second layer of protection: mount the pump as high as practical.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirline tubing and a distribution manifold\u003c\/strong\u003e — for splitting each of the four outlets further if you're running many airstones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirstones or air diffusers\u003c\/strong\u003e — one per outlet for fine, even bubbles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSponge filters\u003c\/strong\u003e — a common load for a multi-outlet pump across breeding or quarantine tanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual control valves\u003c\/strong\u003e — for finer adjustment than the pump's built-in outlet controls on long or high-restriction lines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by Bioscape's manufacturer warranty against defects, in addition to your rights under Australian Consumer Law.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eCan I run four different tanks off one Tropic 8000?\u003c\/h4\u003e\u003cp\u003eYes — that's the main reason to buy it over four single-outlet pumps. Each outlet adjusts independently, so tanks with different airline lengths or restrictions can be balanced individually.\u003c\/p\u003e\u003ch4\u003eWill output drop if I only use two of the four outlets?\u003c\/h4\u003e\u003cp\u003eRunning fewer outlets generally means more air available to the ones in use, since the total output isn't being split as many ways — though Bioscape doesn't publish exact per-outlet figures to confirm the split precisely.\u003c\/p\u003e\u003ch4\u003eDoes it need a manifold to use all four outlets?\u003c\/h4\u003e\u003cp\u003eNo — the four outlets are already separate ports on the pump body, so each takes its own airline directly.\u003c\/p\u003e\u003ch4\u003eIs it rated for a marine sump?\u003c\/h4\u003e\u003cp\u003eYes — it only moves air, so it's safe to plumb into freshwater or marine systems, including a sump running alongside a display tank.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774335668515,"sku":"BIS55","price":88.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-tropic-air-pump-8000-4-outlet-w-4-check-va-725475.webp?v=1790230840"},{"product_id":"bioscape-bioscape-tropic-ac-dc-air-pump","title":"Bioscape Tropic A\/C D\/C Air Pump","description":"\u003cp\u003e\u003cstrong\u003eA quiet air pump with a built in battery that takes over when the power drops out.\u003c\/strong\u003e The Bioscape Tropic A\/C D\/C Air Pump runs from a Micro USB power supply and has a lithium-ion battery inside. If the power fails, it switches to the battery on its own and keeps air going to your sponge filter or air stone for up to 8 hours.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic battery backup\u003c\/strong\u003e: switches between USB power and the battery in a power outage, with up to 8 hours of continuous running on battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable airflow\u003c\/strong\u003e: stepless control (turns smoothly rather than in fixed steps) so you can set the flow to suit the tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow power draw\u003c\/strong\u003e: 1.7 W motor, with quiet running.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck valve included\u003c\/strong\u003e (a one way valve for the airline that stops water siphoning back into the pump).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower: 1.7 W\u003c\/li\u003e\n\u003cli\u003ePower source: Micro USB and built in lithium-ion battery\u003c\/li\u003e\n\u003cli\u003eBattery run time: up to 8 hours\u003c\/li\u003e\n\u003cli\u003eOutlets: 1\u003c\/li\u003e\n\u003cli\u003eFlow control: yes, stepless\u003c\/li\u003e\n\u003cli\u003eIncluded: air pump, check valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for freshwater and marine aquariums as a main air pump for a small tank, or as backup aeration that keeps running through a blackout. It has one outlet, so it runs a single sponge filter or air stone rather than a large multi outlet setup.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eFit the check valve in the airline, and keep the pump and its power supply above the water line and clear of splash.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered by your consumer guarantee rights under Australian Consumer Law against manufacturing faults. Ships by standard parcel post.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774335701283,"sku":"BIS56","price":96.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-tropic-ac-dc-air-pump-758243.webp?v=1790230839"},{"product_id":"bioscape-bioscape-bubble-wall-suction-cups-2-pack","title":"Bioscape Bubble Wall Suction Cups 2 Pack","description":"\u003cp\u003e\u003cstrong\u003eSmall clips keep a bubble wall exactly in place.\u003c\/strong\u003e The Bioscape Bubble Wall Suction Cups are a two-pack of clear glass-mount clips (SKU BIS103) that hold a Bioscape Flexible Bubble Wall or airstone against the inside of the glass, so the airline stays put once the bubbles start.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear and low-profile\u003c\/strong\u003e — moulded from clear material so the clips disappear against the glass rather than standing out next to the bubble wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-pack\u003c\/strong\u003e — enough to anchor one bubble wall or airstone at two points along its length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass-mount grip\u003c\/strong\u003e — the suction face holds firmly on clean glass; grip drops off quickly on an algae-filmed panel.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eBIS103\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e9327975044794\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003ctd\u003e2 suction cups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eBioscape Flexible Bubble Wall (45cm, 60cm, 75cm) and Bioscape airstones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e glass aquariums, holding a Bioscape bubble wall or airstone and its airline against the panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e acrylic tanks — Bioscape hasn't confirmed grip performance on acrylic, and suction cups generally hold less reliably on a scratch-prone acrylic surface.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eClean the glass and the cup face before pressing it into place — a film of algae or mineral deposit is the main reason a suction cup lets go. Replace a cup once it stops gripping even on clean glass.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by your consumer guarantee rights under Australian Consumer Law against manufacturing faults. Ships as a small parcel.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWill these fit airline tubing that isn't attached to a bubble wall?\u003c\/h4\u003e\u003cp\u003eYes — they're a generic glass-mount suction clip and will hold plain airline or an airstone hose in place, not only a Bioscape bubble wall.\u003c\/p\u003e\u003ch4\u003eHow long do the suction cups last?\u003c\/h4\u003e\u003cp\u003eBioscape hasn't published a service life for these. In practice, suction cups on aquarium glass typically hold for months before the rubber hardens and grip weakens — replace the pack once it stops holding on a clean panel.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774336422179,"sku":"BIS103","price":1.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-bubble-wal-43876772643107.webp?v=1790239539"},{"product_id":"bioscape-bioscape-mineral-slim-airstones-carded-3-pack","title":"Bioscape Mineral Slim Airstones Carded 3 Pack","description":"\u003cp\u003e\u003cstrong\u003eA slimmer profile for the gaps a standard airstone won't fit.\u003c\/strong\u003e Bioscape's Slim Mineral Airstones give the same fine, even bubble curtain as the brand's standard range, in a narrower body that tucks behind hardscape, into filter intakes or corner gaps in a planted aquascape. Three come carded on the pack, so a clogged stone is easy to replace.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlim profile\u003c\/strong\u003e — fits gaps a standard cylindrical or round airstone is too wide for.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine, even bubble curtain\u003c\/strong\u003e — the mineral stone structure produces a finer mist than a plain plastic diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree to a card\u003c\/strong\u003e — fit one, keep two in reserve for when the first clogs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh or marine\u003c\/strong\u003e — the mineral material doesn't react with saltwater, so the same stone works in either setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003cth\u003eRequires (not included)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eSlim profile\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003ctd\u003eAir pump, airline tubing, check valve\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich airstone do I need?\u003c\/h3\u003e\u003cp\u003eReach for the slim profile when space is the constraint — behind hardscape, inside a filter intake housing, or tucked into a tight corner of a planted aquascape where a standard round stone won't sit flush.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eAirstone\u003c\/th\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMineral Airstone 25mm 3 Pack\u003c\/td\u003e\n\u003ctd\u003eStandard cylindrical, 25 mm\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eGeneral-purpose aeration with spares on hand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRound Airstone 30x30mm\u003c\/td\u003e\n\u003ctd\u003eRound, 30 x 30 mm\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eA wider bubble column for larger tanks or a feature aeration spot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlim Airstones Carded 3 Pack\u003c\/td\u003e\n\u003ctd\u003eSlim profile\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eTight spaces behind hardscape, filter intakes or planted aquascapes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for tight-clearance spots in freshwater and marine aquariums running a standard air pump — behind rockwork, wood or in narrow gaps. Not a substitute for mechanical or biological filtration, and not useful on its own without a pump.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eMineral airstones clog gradually as mineral deposits and biofilm build up, and the bubble stream coarsens as that happens. Because a slim stone tucked behind hardscape is harder to inspect at a glance, check it during routine tank maintenance rather than waiting for an obvious drop in bubble quality.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cp\u003eNeeds an air pump sized to your tank and how many stones or ornaments it runs, plus airline tubing to connect them. A check valve fitted in the line stops water siphoning back into the pump during a power cut.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law. Ships by standard parcel post.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWhy choose the slim stone over a standard airstone?\u003c\/h4\u003e\u003cp\u003eIts narrower body fits behind hardscape, into filter intakes or into tight aquascape gaps where a standard round or cylindrical stone won't sit flush.\u003c\/p\u003e\u003ch4\u003eWill this work in a saltwater tank?\u003c\/h4\u003e\u003cp\u003eYes. The mineral stone doesn't react with saltwater, so it suits freshwater and marine setups.\u003c\/p\u003e\u003ch4\u003eHow do I know when to replace it?\u003c\/h4\u003e\u003cp\u003eWhen the bubble stream turns coarse or uneven instead of a fine mist. Because it's tucked out of sight, check it on a routine schedule rather than waiting to notice.\u003c\/p\u003e\u003ch4\u003eDo I need anything else to run it?\u003c\/h4\u003e\u003cp\u003eYes — an air pump and airline tubing are required and not included. A check valve is recommended to protect the pump.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774336454947,"sku":"BIS105","price":3.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-mineral-sl-43876772675875.webp?v=1790239540"},{"product_id":"bioscape-bioscape-airline-roll-100-metres","title":"Bioscape Airline Roll 100 Metres","description":"\u003cp\u003e\u003cstrong\u003eA full 100 metres of flexible PVC airline in one roll.\u003c\/strong\u003e This Bioscape airline carries air from pump to airstone, sponge filter or ornament, and the bulk roll format is built for fish rooms, retail shops and anyone running enough tanks that buying airline a few metres at a time stops making sense.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 m bulk roll\u003c\/strong\u003e — enough for a whole fish room without reordering mid-job.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible PVC\u003c\/strong\u003e — routes around stands and cabinets without kinking sharply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard fit\u003c\/strong\u003e — works with Bioscape check valves, control valves, airstones and most other Australian-brand airline fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut to length yourself\u003c\/strong\u003e — one roll serves many tanks at whatever lengths each run needs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e100 m roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitting\u003c\/th\u003e\n\u003ctd\u003eStandard aquarium airline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eBioscape does not publish the internal bore diameter for this tubing. It is sized to the standard Australian aquarium airline fitting used across Bioscape's own check valves and control valves, and by most other airline accessories sold locally — if you're matching it to fittings from another brand, check compatibility against a sample first.\u003c\/p\u003e\u003ch3\u003eWhich airline option do I need?\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100 m roll (this product)\u003c\/td\u003e\n\u003ctd\u003eFish rooms, shops, multi-tank setups, or anyone who'll use well over 10 m over time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePer metre\u003c\/td\u003e\n\u003ctd\u003eA single tank, a short run, or trying a length before committing to a bulk roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e connecting air pumps to airstones, sponge filters and ornaments across multiple tanks or a fish room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e pressurised CO2 lines — this is standard low-pressure air pump tubing, not CO2-rated hose.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplace any length that has gone stiff, cloudy or yellowed — aged tubing cracks at the fittings and leaks air.\u003c\/li\u003e\n\u003cli\u003eStore the unused roll away from direct sun; UV exposure is what ages PVC airline fastest.\u003c\/li\u003e\n\u003cli\u003eRinse tubing that's picked up algae before reusing it on a different tank, to avoid cross-contaminating water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-air-pump-1000\"\u003eBioscape Air Pump 1000\u003c\/a\u003e — pairs with this airline for a complete single-outlet setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-airline-check-valves-2-pack\"\u003eBioscape Airline Check Valves 2 Pack\u003c\/a\u003e — fit one per outlet run from this roll.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-airline-control-valve-set-2-pack-extendable\"\u003eBioscape Airline Control Valve Set\u003c\/a\u003e — to tune airflow on any line cut from this roll.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by the standard Bioscape supplier warranty against manufacturing defects, in addition to the consumer guarantees you're entitled to under Australian Consumer Law. Ships as a compact roll; a lightweight parcel despite the length.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eIs this the same tubing as the per-metre listing?\u003c\/h4\u003e\u003cp\u003eYes — same Bioscape PVC airline, just packaged as a 100 m bulk roll instead of cut to a single length.\u003c\/p\u003e\u003ch4\u003eWill it fit my existing check valves and control valves?\u003c\/h4\u003e\u003cp\u003eIt's sized to standard Australian aquarium airline fittings, including Bioscape's own check and control valves. If you're matching to another brand's fitting, check against a sample first.\u003c\/p\u003e\u003ch4\u003eDoes it work for both fresh and marine tanks?\u003c\/h4\u003e\u003cp\u003eYes, this is general-purpose air pump tubing suited to both.\u003c\/p\u003e\u003ch4\u003eCan I use it for CO2?\u003c\/h4\u003e\u003cp\u003eNo — this is standard low-pressure air pump tubing, not rated for pressurised CO2 systems.\u003c\/p\u003e\u003ch4\u003eHow should I store the rest of the roll?\u003c\/h4\u003e\u003cp\u003eOut of direct sunlight, ideally coiled loosely rather than kinked, since UV exposure and tight kinks are what shorten airline's working life.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774337700131,"sku":"BIS120","price":50.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-airline-roll-100-metres-071267.webp?v=1790230840"},{"product_id":"bioscape-bioscape-airline-suction-cups-2-pack","title":"Bioscape Airline Suction Cups 2 Pack","description":"\u003cp\u003e\u003cstrong\u003eSmall clips that keep airline tubing pinned neatly to the glass, out of sight and out of the way.\u003c\/strong\u003e These Bioscape airline suction cups grip standard airline and CO2 diffuser tubing at the point it meets the aquarium or pond, so hoses run straight down the back pane instead of drifting across the display.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12 mm suction disc\u003c\/strong\u003e — sized to grip glass and acrylic without crowding a nano tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlotted clip\u003c\/strong\u003e — the airline slides in and holds firm without a separate tie or clamp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo pack\u003c\/strong\u003e — enough to secure a single airline run at two points, or two separate runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable\u003c\/strong\u003e — lifts and repositions cleanly on clean glass.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003ctd\u003e2 suction cups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCup diameter\u003c\/th\u003e\n\u003ctd\u003e12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eStandard airline tubing and CO2 diffuser tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface\u003c\/th\u003e\n\u003ctd\u003eAquarium or pond glass and acrylic, cleaned before fitting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for\u003c\/strong\u003e freshwater and marine aquariums, and outdoor ponds, on clean glass or acrylic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for\u003c\/strong\u003e heavily algae-coated, scratched or oily glass — the cup will not hold a reliable seal.\u003c\/p\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eSoak the cups in warm water for 5–10 minutes before first use to soften the plastic and improve the seal. Press onto clean, algae-free glass for the strongest hold — expect months of grip on a clean surface, only hours on a dirty one. Reclean the glass and cup if the hold weakens.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered by consumer guarantees under Australian Consumer Law. Ships as a standard parcel.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWill these hold a CO2 diffuser in place?\u003c\/h4\u003e\n\u003cp\u003eYes — the slotted clip accepts standard diffuser and airline tubing, though a heavier diffuser body is best supported with a second cup.\u003c\/p\u003e\n\u003ch4\u003eDo they work on acrylic tanks?\u003c\/h4\u003e\n\u003cp\u003eYes, the same suction principle applies to clean acrylic as well as glass.\u003c\/p\u003e\n\u003ch4\u003eWhy has the grip weakened after a few months?\u003c\/h4\u003e\n\u003cp\u003eAlgae film or mineral deposits under the cup break the seal. Clean both the glass and the cup and it will grip again.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774337732899,"sku":"BIS121","price":1.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-airline-su-43876772970787.webp?v=1790239539"},{"product_id":"bioscape-bioscape-airline-check-valves-2-pack","title":"Bioscape Airline Check Valves 2 Pack","description":"\u003cp\u003e\u003cstrong\u003eStops tank water siphoning back into an air pump.\u003c\/strong\u003e This two-pack of Bioscape airline check valves fits standard aquarium airline and lets air flow one way only — toward the tank. When the pump switches off, the valve closes and stops water running back down the line into the pump body.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-way valve action\u003c\/strong\u003e — blocks backflow the moment the pump stops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits standard airline\u003c\/strong\u003e — drops inline with the tubing you already run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-pack\u003c\/strong\u003e — enough for a pump with two outlets, or a spare for later.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential wherever a pump sits at or below the waterline\u003c\/strong\u003e — the more common the setup, the more it matters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003ctd\u003e2 valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eOne-way airline check valve (non-return valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitting\u003c\/th\u003e\n\u003ctd\u003eStandard aquarium airline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eBioscape does not publish valve dimensions or the exact plastic used for this part — if you need to confirm fit against a specific fitting, check the valve against a sample of your existing airline before ordering in bulk.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e any air pump run where the pump sits at or below the tank's waterline — the majority of sump and cabinet installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e use as a flow control valve — these only stop backflow, they don't regulate airflow. For that, use an airline control valve instead.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck the valve moves freely every few months — mineral build-up can stick a valve closed or open.\u003c\/li\u003e\n\u003cli\u003eReplace the valve if it no longer seats cleanly; a stuck-open valve gives no protection at all.\u003c\/li\u003e\n\u003cli\u003eFit with the arrow (where marked) pointing toward the tank, in the direction of airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-air-pump-1000\"\u003eBioscape Air Pump 1000\u003c\/a\u003e — already includes one bonus valve; this pack covers a second outlet or a replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-airline-roll-100-metres\"\u003eBioscape Airline Tubing 100 m Roll\u003c\/a\u003e — bulk airline to run alongside the valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-airline-control-valve-set-2-pack-extendable\"\u003eBioscape Airline Control Valve Set\u003c\/a\u003e — for adjusting airflow, not just protecting against backflow.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by the standard Bioscape supplier warranty against manufacturing defects, in addition to the consumer guarantees you're entitled to under Australian Consumer Law. Ships as a small, light parcel with standard delivery.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDo I need one of these, or is my pump fine without it?\u003c\/h4\u003e\u003cp\u003eIf the pump sits above the aquarium's waterline, water can't siphon back and a check valve is optional insurance. If the pump is level with or below the waterline — common with cabinet-mounted or sump setups — a check valve is essential.\u003c\/p\u003e\u003ch4\u003eCan I use one valve for two outlets?\u003c\/h4\u003e\u003cp\u003eNo — each outlet needs its own valve. This two-pack suits a twin-outlet pump or one pump plus a spare.\u003c\/p\u003e\u003ch4\u003eDoes this control how much air comes through?\u003c\/h4\u003e\u003cp\u003eNo, it only blocks backflow. Use a Bioscape airline control valve if you want to reduce airflow to a stone or ornament.\u003c\/p\u003e\u003ch4\u003eWill it fit airline from other brands?\u003c\/h4\u003e\u003cp\u003eIt's sized for standard aquarium airline, which is the same bore used across most Australian retail brands, but check against your existing tubing if you're unsure.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774337765667,"sku":"BIS122","price":7.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-airline-ch-43876773167395.webp?v=1790239539"},{"product_id":"bioscape-bioscape-plastic-tubing-roll-16-20mm-x-50mtrs","title":"Bioscape Plastic Tubing Roll 16-20mm x 50Mtrs","description":"\u003cp\u003e\u003cstrong\u003eBulk tubing for canister filters, pumps and pond lines that need a 16–20 mm bore.\u003c\/strong\u003e This Bioscape Plastic Tubing Roll supplies 50 metres of flexible plastic hose in a 16–20 mm bore, sold as a full roll for shops, fish rooms and multi-tank setups that need to cut lengths to size rather than buy pre-cut sections.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 m roll\u003c\/strong\u003e — enough length to fit multiple canister filters, sumps or pond runs from one roll, or to keep as workshop stock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16–20 mm bore\u003c\/strong\u003e — sized for common mid-range canister filter and pump fittings; check your equipment's stated hose diameter before cutting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut to length\u003c\/strong\u003e — sold as a continuous roll, so you cut only what each job needs and keep the remainder for future use or repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBore\u003c\/th\u003e\n\u003cth\u003eRoll length\u003c\/th\u003e\n\u003cth\u003eProduct code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e16–20 mm\u003c\/td\u003e\n\u003ctd\u003e50 m\u003c\/td\u003e\n\u003ctd\u003eBIS124\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich bore size do I need?\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eRoll\u003c\/th\u003e\n\u003cth\u003eBore\u003c\/th\u003e\n\u003cth\u003eTypical use\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBioscape Plastic Tubing 16–20 mm × 50 m\u003c\/td\u003e\n\u003ctd\u003e16–20 mm\u003c\/td\u003e\n\u003ctd\u003eSmall to mid-size canister filters, standard pond pump lines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBioscape Plastic Tubing 20–26 mm × 50 m\u003c\/td\u003e\n\u003ctd\u003e20–26 mm\u003c\/td\u003e\n\u003ctd\u003eLarger canister filters, sump returns, high-flow pond pumps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eCheck the hose spigot diameter stated for your specific filter or pump model before ordering — canister filter ranges commonly span both bore sizes across their line-up, and the wrong bore will not seal properly on the barb.\u003c\/p\u003e\u003ch3\u003eWill it fit my setup?\u003c\/h3\u003e\u003cp\u003eMeasure the outside diameter of your filter or pump's hose barb, not the pipework already installed, since old tubing can stretch slightly over time. This roll suits barbs and spigots in the 16–20 mm range; if your fitting is larger, the 20–26 mm roll is the better match.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for freshwater and marine aquarium filtration plumbing, sump returns and pond pump lines within the 16–20 mm bore range. Not suitable for fittings outside this range — forcing an undersized or oversized hose onto a barb is a common cause of a slow leak or a hose working loose under pressure.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eInspect tubing periodically where it passes over sharp edges or is exposed to UV light outdoors, as both can shorten its working life. Replace any length that has become brittle, cracked or discoloured rather than waiting for a leak.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law. Sold as a bulk roll — freight is calculated at checkout given the size and weight of a full 50 m roll.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eCan I use this for both the inlet and outlet side of a canister filter?\u003c\/h4\u003e\u003cp\u003eYes, provided both hose barbs on your filter are within the 16–20 mm bore range — check the manufacturer's specifications, as some canister filters use a different diameter for inlet and outlet.\u003c\/p\u003e\u003ch4\u003eIs it sold pre-cut, or as a full roll?\u003c\/h4\u003e\u003cp\u003eAs a full 50 m roll. You cut the lengths you need and keep the remainder.\u003c\/p\u003e\u003ch4\u003eWhat's the difference between this and the 20–26 mm roll?\u003c\/h4\u003e\u003cp\u003eBore diameter only — this roll is sized for 16–20 mm fittings, the other for 20–26 mm. Match the roll to your equipment's stated hose diameter rather than guessing from the tank size.\u003c\/p\u003e\u003ch4\u003eCan I use this outdoors on a pond pump?\u003c\/h4\u003e\u003cp\u003eIt can be used for pond plumbing, but tubing left in direct sun for extended periods will degrade faster than tubing run indoors or buried — check it periodically if it's exposed outdoors.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774337798435,"sku":"BIS124","price":175.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-plastic-tubing-roll-16-20mm-x-50mtrs-169571.webp?v=1790230840"},{"product_id":"bioscape-bioscape-plastic-tubing-roll-20-26-mm-x-50mtrs","title":"Bioscape Plastic Tubing Roll 20-26 mm x 50Mtrs","description":"\u003cp\u003e\u003cstrong\u003eBulk tubing for larger canister filters, sump returns and high-flow pond lines that need a 20–26 mm bore.\u003c\/strong\u003e This Bioscape Plastic Tubing Roll supplies 50 metres of flexible plastic hose in a 20–26 mm bore, sold as a full roll for shops, fish rooms and larger systems where a bigger pump or filter needs a wider hose than the standard 16–20 mm size.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 m roll\u003c\/strong\u003e — enough for a full sump plumbing job, several large canister filters, or as workshop stock for a multi-tank system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20–26 mm bore\u003c\/strong\u003e — sized for larger canister filters, sump return lines and higher-flow pond pumps; check your equipment's stated hose diameter before cutting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut to length\u003c\/strong\u003e — sold as a continuous roll, so a large system's full plumbing run comes from one product rather than joining shorter pre-cut lengths.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBore\u003c\/th\u003e\n\u003cth\u003eRoll length\u003c\/th\u003e\n\u003cth\u003eProduct code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e20–26 mm\u003c\/td\u003e\n\u003ctd\u003e50 m\u003c\/td\u003e\n\u003ctd\u003eBIS125\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich bore size do I need?\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eRoll\u003c\/th\u003e\n\u003cth\u003eBore\u003c\/th\u003e\n\u003cth\u003eTypical use\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBioscape Plastic Tubing 16–20 mm × 50 m\u003c\/td\u003e\n\u003ctd\u003e16–20 mm\u003c\/td\u003e\n\u003ctd\u003eSmall to mid-size canister filters, standard pond pump lines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBioscape Plastic Tubing 20–26 mm × 50 m\u003c\/td\u003e\n\u003ctd\u003e20–26 mm\u003c\/td\u003e\n\u003ctd\u003eLarger canister filters, sump returns, high-flow pond pumps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eCheck the hose spigot diameter stated for your specific filter or pump model before ordering — larger canister filters and sump return pumps commonly step up to this bore even on tanks that otherwise look mid-sized.\u003c\/p\u003e\u003ch3\u003eWill it fit my setup?\u003c\/h3\u003e\u003cp\u003eMeasure the outside diameter of your pump or filter's hose barb directly rather than relying on tank or sump size. If your fitting measures under 20 mm, the 16–20 mm roll will give a tighter, more reliable seal.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for larger canister filters, sump return plumbing and high-flow pond pump lines within the 20–26 mm bore range. Not suitable for smaller hose barbs — an oversized hose forced onto a narrow fitting won't seal properly and is a common cause of a slow leak at the joint.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eInspect tubing periodically where it runs over sharp edges, behind a cabinet, or outdoors in direct UV, since all three shorten its working life. Replace any length that has become brittle, cracked or discoloured rather than waiting for it to fail under pressure.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law. Sold as a bulk roll — freight is calculated at checkout given the size and weight of a full 50 m roll.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWill this fit a standard sump return pump?\u003c\/h4\u003e\u003cp\u003eMost sump return pumps and larger canister filters use fittings in the 20–26 mm range, but check the spigot diameter stated for your specific pump model rather than assuming from tank size alone.\u003c\/p\u003e\u003ch4\u003eIs it sold pre-cut, or as a full roll?\u003c\/h4\u003e\u003cp\u003eAs a full 50 m roll. You cut the lengths you need for your plumbing run and keep the remainder.\u003c\/p\u003e\u003ch4\u003eWhat's the difference between this and the 16–20 mm roll?\u003c\/h4\u003e\u003cp\u003eBore diameter only — this roll suits 20–26 mm fittings, the smaller roll suits 16–20 mm. Check your pump or filter's stated hose diameter before ordering.\u003c\/p\u003e\u003ch4\u003eCan I join two lengths together if my run is longer than the roll?\u003c\/h4\u003e\u003cp\u003eA straight barbed hose connector rated for the same bore will join two lengths, though a single unbroken run is the more reliable option where the plumbing layout allows it.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774337831203,"sku":"BIS125","price":276.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-plastic-tubing-roll-20-26-mm-x-50mtrs-202339.webp?v=1790230840"},{"product_id":"bioscape-bioscape-single-mineral-airstone-on-card-25mm","title":"Bioscape Single Mineral Airstone on card 25mm","description":"\u003cp\u003e\u003cstrong\u003eFine, even bubbles from a mineral stone, not a rubber diffuser.\u003c\/strong\u003e This is a single 25 mm Bioscape mineral airstone, sold on its own card, that connects to any air pump running standard airline tubing. The porous mineral aggregate breaks air into a finer, more even bubble curtain than a moulded rubber or plastic diffuser, lifting oxygen exchange and surface movement in tanks running a plain air pump, sponge filter riser or CO2-free planted setup.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral aggregate diffuser\u003c\/strong\u003e — porous mineral material produces a finer bubble curtain than a standard rubber or plastic airstone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25 mm, single, on card\u003c\/strong\u003e — a compact stone sized for nano to standard tanks, sold as one rather than a multi-pack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits standard airline tubing\u003c\/strong\u003e — pushes straight onto any air pump's standard airline, no separate fitting needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and marine safe\u003c\/strong\u003e — stocked here for both fresh and reef\/marine setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple wear part\u003c\/strong\u003e — clogs gradually with mineral buildup and biofilm; replacing it is cheaper than running a clogged stone that strains the pump diaphragm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eMineral aggregate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting\u003c\/td\u003e\n\u003ctd\u003eStandard airline tubing, push-fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack\u003c\/td\u003e\n\u003ctd\u003eSingle stone, on card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for nano to standard aquariums needing extra surface agitation from an air pump, sponge filter risers, and CO2-free planted or shrimp tanks where extra gas exchange helps. Not a substitute for proper filtration on a heavily stocked tank, and not the tool for directional flow — a powerhead suits that better.\u003c\/p\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eMineral airstones clog gradually as mineral salts and biofilm build up in the pores, and the bubble curtain gets coarser as this happens. Because it's sold as a single low-cost stone rather than a multi-pack, the simplest fix once the bubble pattern coarsens is to swap it for a new one rather than trying to clean it. Fit a check valve in the airline between the pump and the stone, so a power cut can't siphon tank water back into the pump.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law. Ships by standard parcel post.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWill this work with any air pump?\u003c\/h4\u003e\n\u003cp\u003eYes, as long as the pump runs standard airline tubing — the stone push-fits straight onto the line.\u003c\/p\u003e\n\u003ch4\u003eCan I use it in a marine or reef tank?\u003c\/h4\u003e\n\u003cp\u003eYes, it's rated for both freshwater and marine setups.\u003c\/p\u003e\n\u003ch4\u003eHow do I know when to replace it?\u003c\/h4\u003e\n\u003cp\u003eWhen the bubble stream turns coarser or uneven instead of a fine, steady curtain — that's the mineral pores clogging.\u003c\/p\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPI Freshwater Master Multi Test Kit 5 in 1\u003c\/strong\u003e — check water parameters as circulation improves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeachem Prime\u003c\/strong\u003e — dechlorinate top-up water in tanks running extra aeration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarina Floating Glass Thermometer\u003c\/strong\u003e — keep an eye on temperature alongside the extra surface movement.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774337863971,"sku":"BIS126","price":2.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-single-min-43876773200163.webp?v=1790239540"},{"product_id":"bioscape-bioscape-mineral-airstone-3-pack-25mm","title":"Bioscape Mineral Airstone 3 Pack 25mm","description":"\u003cp\u003e\u003cstrong\u003eFiner bubbles, better oxygen exchange, with two spares already on the card.\u003c\/strong\u003e The Bioscape Mineral Airstone 25mm 3 Pack uses a mineral diffuser stone to break pump air into a fine, even bubble curtain, lifting surface agitation and oxygen exchange in freshwater and marine tanks. Because it comes three to a card, a clogged stone can be swapped out immediately rather than waiting on a reorder.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine, even bubble curtain\u003c\/strong\u003e — the mineral stone structure produces a finer mist than a plain plastic diffuser, for better gas exchange from the same pump output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree to a card\u003c\/strong\u003e — fit one, keep two in reserve for when the first clogs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh or marine\u003c\/strong\u003e — the mineral material doesn't react with saltwater, so the same stone works in either setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRuns off any standard air pump\u003c\/strong\u003e — no proprietary fitting or driver required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003cth\u003eRequires (not included)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003ctd\u003eAir pump, airline tubing, check valve\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich airstone do I need?\u003c\/h3\u003e\u003cp\u003eBioscape's mineral airstone range covers three shapes. This 25 mm stone is the general-purpose option — a standard cylindrical shape with two spares included for when the first one clogs.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eAirstone\u003c\/th\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMineral Airstone 25mm 3 Pack\u003c\/td\u003e\n\u003ctd\u003eStandard cylindrical, 25 mm\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eGeneral-purpose aeration with spares on hand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRound Airstone 30x30mm\u003c\/td\u003e\n\u003ctd\u003eRound, 30 x 30 mm\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eA wider bubble column for larger tanks or a feature aeration spot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlim Airstones Carded 3 Pack\u003c\/td\u003e\n\u003ctd\u003eSlim profile\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eTight spaces behind hardscape, filter intakes or planted aquascapes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for adding surface agitation and gas exchange to freshwater and marine aquariums running any standard air pump. Not a substitute for mechanical or biological filtration, and not useful on its own — it needs a pump to move air through it.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eMineral airstones clog gradually as mineral deposits and biofilm build up inside the stone, and the bubble stream coarsens as that happens. Bioscape doesn't publish a fixed replacement interval — swap the stone when the bubbles turn coarse or uneven rather than on a set schedule, which is why this comes as a three-pack rather than a single stone.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cp\u003eNeeds an air pump sized to your tank and how many stones or ornaments it runs, plus airline tubing to connect them. A check valve fitted in the line stops water siphoning back into the pump during a power cut, and is worth adding on any submerged airstone.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law. Ships by standard parcel post.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWill this work in a saltwater tank?\u003c\/h4\u003e\u003cp\u003eYes. The mineral stone doesn't react with saltwater, so the same airstone suits freshwater and marine setups.\u003c\/p\u003e\u003ch4\u003eWhat tubing do I need?\u003c\/h4\u003e\u003cp\u003eStandard aquarium airline tubing, push-fit onto the stone's barb.\u003c\/p\u003e\u003ch4\u003eDo I need anything else to run it?\u003c\/h4\u003e\u003cp\u003eYes — an air pump and airline tubing are required and not included. A check valve is recommended to protect the pump.\u003c\/p\u003e\u003ch4\u003eHow do I know when to replace it?\u003c\/h4\u003e\u003cp\u003eWhen the bubble stream turns coarse or uneven instead of a fine mist. Fit one of the two spares on the card when that happens.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774337896739,"sku":"BIS127","price":4.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-mineral-airstone-3-pack-25mm-595555.webp?v=1790230840"},{"product_id":"bioscape-bioscape-mineral-round-airstone-30-x-30mm","title":"Bioscape Mineral Round Airstone 30 x 30mm","description":"\u003cp\u003e\u003cstrong\u003eA broader bubble column from a single round stone.\u003c\/strong\u003e The Bioscape Round Mineral Airstone 30 x 30mm breaks pump air into a broad, even column of fine bubbles — a wider footprint than a standard cylindrical stone, suited to larger tanks or a dedicated feature-aeration spot. It works in freshwater and marine aquariums.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad bubble column\u003c\/strong\u003e — the round shape spreads the bubble curtain wider than a standard cylindrical airstone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine, even mist\u003c\/strong\u003e — the mineral stone structure produces a finer mist than a plain plastic diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh or marine\u003c\/strong\u003e — the mineral material doesn't react with saltwater, so the same stone works in either setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRuns off any standard air pump\u003c\/strong\u003e — no proprietary fitting or driver required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003cth\u003eRequires (not included)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e30 x 30 mm\u003c\/td\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003ctd\u003eAir pump, airline tubing, check valve\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich airstone do I need?\u003c\/h3\u003e\u003cp\u003eThis round stone is the widest-footprint option in Bioscape's mineral airstone range — reach for it when a standard cylindrical stone isn't giving enough bubble coverage across a larger tank.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eAirstone\u003c\/th\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMineral Airstone 25mm 3 Pack\u003c\/td\u003e\n\u003ctd\u003eStandard cylindrical, 25 mm\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eGeneral-purpose aeration with spares on hand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRound Airstone 30x30mm\u003c\/td\u003e\n\u003ctd\u003eRound, 30 x 30 mm\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eA wider bubble column for larger tanks or a feature aeration spot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlim Airstones Carded 3 Pack\u003c\/td\u003e\n\u003ctd\u003eSlim profile\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eTight spaces behind hardscape, filter intakes or planted aquascapes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for larger tanks or feature aeration spots in freshwater and marine aquariums running a standard air pump. Not a substitute for mechanical or biological filtration, and not useful on its own without a pump.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eMineral airstones clog gradually as mineral deposits and biofilm build up, and the bubble stream coarsens as that happens. Bioscape doesn't publish a fixed replacement interval — watch for a coarser or uneven bubble pattern as the sign to replace it. Because this is sold as a single stone rather than a card of three, it's worth keeping a spare on hand, or choosing the 3-pack range if you're running several airstones.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cp\u003eNeeds an air pump sized to your tank and how many stones or ornaments it runs, plus airline tubing to connect them. A check valve fitted in the line stops water siphoning back into the pump during a power cut.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law. Ships by standard parcel post.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWhy choose the round stone over a standard airstone?\u003c\/h4\u003e\u003cp\u003eIts round shape spreads bubbles across a wider footprint than a standard cylindrical stone, which suits larger tanks or a dedicated feature-aeration spot better than a narrow bubble column.\u003c\/p\u003e\u003ch4\u003eWill this work in a saltwater tank?\u003c\/h4\u003e\u003cp\u003eYes. The mineral stone doesn't react with saltwater, so it suits freshwater and marine setups.\u003c\/p\u003e\u003ch4\u003eDoes it come with spares?\u003c\/h4\u003e\u003cp\u003eNo — this is sold as a single stone. Bioscape's 3-pack ranges are worth choosing instead if you want spares on hand.\u003c\/p\u003e\u003ch4\u003eHow do I know when to replace it?\u003c\/h4\u003e\u003cp\u003eWhen the bubble stream turns coarse or uneven instead of a fine mist.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774338126115,"sku":"BIS128","price":2.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-bioscape-mineral-round-airstone-30-x-30mm-628323.webp?v=1790230840"},{"product_id":"bioscape-air-pump-1000","title":"Bioscape Air Pump 1000","description":"\u003cp\u003e\u003cstrong\u003eA quiet, low-cost air pump sized for aquariums up to 45 litres.\u003c\/strong\u003e The Bioscape Air Pump 1000 drives a single airstone, sponge filter or bubbling ornament from a 2 W motor that Bioscape rates for continuous, round-the-clock use. A check valve is included in the box, so it's ready to run the moment you position it above or beside the tank.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 W energy-efficient motor\u003c\/strong\u003e — runs continuously for only a few dollars a year in power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle outlet\u003c\/strong\u003e — drives one airstone, sponge filter or ornament.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonus check valve included\u003c\/strong\u003e — no separate purchase needed to stop back-siphon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet operation\u003c\/strong\u003e — Bioscape markets this pump on noise as much as output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and marine safe\u003c\/strong\u003e — suits both setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eWattage\u003c\/th\u003e\n\u003ctd\u003e2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e240 V, 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir output\u003c\/th\u003e\n\u003ctd\u003e1.0 L\/min (60 L\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking pressure\u003c\/th\u003e\n\u003ctd\u003e≥ 0.010 MPa (approx. 1 m water column)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutlets\u003c\/th\u003e\n\u003ctd\u003e1, with check valve included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated tank size\u003c\/th\u003e\n\u003ctd\u003eUp to 45 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWill it fit my tank?\u003c\/h3\u003e\u003cp\u003eThis pump is rated for aquariums up to 45 L running a single airstone or ornament. It is not sized for larger displays or for driving more than one outlet — for those, step up within the Tropic range.\u003c\/p\u003e\u003ch3\u003eWhich Bioscape Tropic pump do I need?\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003cth\u003eOutlets\u003c\/th\u003e\n\u003cth\u003eGuide tank size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 1000 (this pump)\u003c\/td\u003e\n\u003ctd\u003e1.0 L\/min\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eUp to 45 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 2000\u003c\/td\u003e\n\u003ctd\u003e2.3 L\/min\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eUp to 50 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTropic 4000\u003c\/td\u003e\n\u003ctd\u003eControllable, dual outlet\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eUp to 300 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eBioscape also lists a Tropic 8000 for larger multi-tank setups; check its output against your total airline run before choosing.\u003c\/p\u003e\u003ch4\u003eWhat's included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAir pump body\u003c\/li\u003e\n\u003cli\u003eSingle outlet fitting\u003c\/li\u003e\n\u003cli\u003eBonus check valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eNot included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAirline tubing\u003c\/li\u003e\n\u003cli\u003eAirstone or diffuser\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e freshwater and marine aquariums up to 45 L running one airstone, sponge filter or ornament.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e tanks over 45 L, setups needing more than one outlet, or submersion — the pump body itself must never go underwater.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRunning costs and noise\u003c\/h3\u003e\u003cp\u003eAt 2 W run continuously, this pump uses roughly 18 kWh a year — around $5.40 a year at a 30c\/kWh tariff. Bioscape describes the motor as quiet-running; it does not publish a decibel figure for this model, so treat \"quiet\" as a manufacturer description rather than a measured spec.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eKeep the pump above the waterline where possible; if it must sit level with or below the water's surface, the included check valve is essential.\u003c\/li\u003e\n\u003cli\u003eReplace airline tubing once it goes stiff or discoloured — hardened tubing splits at the fittings.\u003c\/li\u003e\n\u003cli\u003eWipe the pump body dry if it's ever splashed; it is not a submersible unit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eThis is a 240 V mains-powered appliance. Run the power cord with a drip loop so water can't track down the cord into the socket, and plug aquarium electricals into an RCD-protected outlet as standard practice around water.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-airline-check-valves-2-pack\"\u003eBioscape Airline Check Valves 2 Pack\u003c\/a\u003e — a spare for a second outlet or a replacement for the bonus valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-airline-roll-100-metres\"\u003eBioscape Airline Tubing 100 m Roll\u003c\/a\u003e — bulk airline to connect pump to airstone.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-airline-control-valve-set-2-pack-extendable\"\u003eBioscape Airline Control Valve Set\u003c\/a\u003e — to dial back flow for a gentler stream of bubbles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by the standard Bioscape supplier warranty against manufacturing defects, in addition to the consumer guarantees you're entitled to under Australian Consumer Law regardless of any warranty term. Ships as a small, light parcel with standard delivery.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDo I need the check valve?\u003c\/h4\u003e\u003cp\u003eYes, if the pump sits at or below the aquarium's waterline. It stops tank water siphoning back down the airline into the pump when it's switched off. One is included in the box.\u003c\/p\u003e\u003ch4\u003eCan I leave it running all the time?\u003c\/h4\u003e\u003cp\u003eYes — Bioscape rates this pump for continuous operation, and most aquarists run air pumps 24\/7 for steady oxygenation and water movement.\u003c\/p\u003e\u003ch4\u003eWill it run my 60 L tank?\u003c\/h4\u003e\u003cp\u003eIt's rated to 45 L. For a 60 L tank, or if you plan to run more than one airstone, the Tropic 2000 or Tropic 4000 is the better fit.\u003c\/p\u003e\u003ch4\u003eIs it safe for a marine or reef tank?\u003c\/h4\u003e\u003cp\u003eYes, it's rated for both freshwater and marine use.\u003c\/p\u003e\u003ch4\u003eWhat airline tubing does it use?\u003c\/h4\u003e\u003cp\u003eStandard-fit aquarium airline, such as Bioscape's own airline tubing sold by the metre or the 100 m roll.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55242227581219,"sku":"BA9061","price":22.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-air-pump-1000-10268547809571-1-dq.webp?v=1790372666"},{"product_id":"bioscape-airline-roll-100-metres-per-metre","title":"Bioscape Airline Roll 100 Metres (PER METRE!)","description":"\u003cp\u003e\u003cstrong\u003eBuy exactly the airline you need, cut to the metre.\u003c\/strong\u003e This is the same flexible Bioscape PVC airline sold as the 100 m bulk roll, packaged instead as a per-metre purchase — the practical option when you're topping up one tank rather than stocking a fish room.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold per metre\u003c\/strong\u003e — buy one length or several, with nothing left over.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible PVC\u003c\/strong\u003e — routes around stands and cabinets without kinking sharply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard fit\u003c\/strong\u003e — works with Bioscape check valves, control valves, airstones and most other Australian-brand airline fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo bulk roll to store\u003c\/strong\u003e — useful if you only need a metre or two and don't want 100 m taking up a shelf.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSold as\u003c\/th\u003e\n\u003ctd\u003ePer metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitting\u003c\/th\u003e\n\u003ctd\u003eStandard aquarium airline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eBioscape does not publish the internal bore diameter for this tubing. It is sized to the standard Australian aquarium airline fitting used across Bioscape's own check valves and control valves — if you're matching it to fittings from another brand, check compatibility against a sample first.\u003c\/p\u003e\u003ch3\u003eWhich airline option do I need?\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePer metre (this product)\u003c\/td\u003e\n\u003ctd\u003eA single tank, a short run, or trying a length before committing to a bulk roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/bioscape-bioscape-airline-roll-100-metres\"\u003e100 m roll\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eFish rooms, shops, multi-tank setups, or anyone who'll use well over 10 m over time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e connecting an air pump to an airstone, sponge filter or ornament on a single tank or a short run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e pressurised CO2 lines — this is standard low-pressure air pump tubing, not CO2-rated hose.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplace tubing that has gone stiff, cloudy or yellowed — aged airline cracks at the fittings and leaks air.\u003c\/li\u003e\n\u003cli\u003eKeep spare lengths away from direct sun; UV exposure is what ages PVC airline fastest.\u003c\/li\u003e\n\u003cli\u003eRinse tubing that's picked up algae before reusing it on a different tank, to avoid cross-contaminating water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-air-pump-1000\"\u003eBioscape Air Pump 1000\u003c\/a\u003e — pairs with a metre or two of this airline for a single-outlet setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-airline-check-valves-2-pack\"\u003eBioscape Airline Check Valves 2 Pack\u003c\/a\u003e — fit one per outlet run.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-airline-control-valve-set-2-pack-extendable\"\u003eBioscape Airline Control Valve Set\u003c\/a\u003e — to tune airflow on the finished line.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by the standard Bioscape supplier warranty against manufacturing defects, in addition to the consumer guarantees you're entitled to under Australian Consumer Law. Ships as a small, light parcel with standard delivery.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eHow many metres do I need?\u003c\/h4\u003e\u003cp\u003eMeasure the run from pump to airstone plus enough slack to route around the stand or cabinet without pulling tight — most single-tank runs use well under 2 m.\u003c\/p\u003e\u003ch4\u003eIs this the same tubing as the 100 m roll?\u003c\/h4\u003e\u003cp\u003eYes — same Bioscape PVC airline, just sold cut to the length you choose instead of as a bulk roll.\u003c\/p\u003e\u003ch4\u003eWill it fit my existing check valves and control valves?\u003c\/h4\u003e\u003cp\u003eIt's sized to standard Australian aquarium airline fittings, including Bioscape's own check and control valves. If you're matching to another brand's fitting, check against a sample first.\u003c\/p\u003e\u003ch4\u003eCan I use it for CO2?\u003c\/h4\u003e\u003cp\u003eNo — this is standard low-pressure air pump tubing, not rated for pressurised CO2 systems.\u003c\/p\u003e\u003ch4\u003eIs it worth buying the 100 m roll instead?\u003c\/h4\u003e\u003cp\u003eIf you're only running one or two tanks, buying per metre avoids storing a bulk roll you won't use up. Running a fish room or several tanks is where the roll starts to make more sense.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55242228138275,"sku":"BA8944","price":2.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-airline-roll-100-me-43138248605987.webp?v=1790230925"},{"product_id":"orca-air-line-t-white","title":"Orca Air Line T White","description":"\u003cp\u003e\u003cstrong\u003eSplit one air line into two without losing your pump.\u003c\/strong\u003e This Orca airline T-piece is a push-fit fitting for standard 4 mm aquarium airline tubing. It joins into a line and gives you two outlets from one, so a single air pump can run two air stones, sponge filters or ornaments at once.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush-fit fitting\u003c\/strong\u003e — pushes onto standard 4 mm airline tubing, no glue or clamps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSplits one line into two\u003c\/strong\u003e — run two outlets from a single pump outlet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks both ways\u003c\/strong\u003e — also joins two lines into one if you're consolidating airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePairs with a gate valve\u003c\/strong\u003e — add a gate valve on each branch to balance flow between outlets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eAA3625\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting type\u003c\/td\u003e\n\u003ctd\u003eT-piece, three-way\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubing fit\u003c\/td\u003e\n\u003ctd\u003eStandard 4 mm aquarium airline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFresh and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for splitting air from one pump to two air stones, sponge filters or ornaments, in fresh or marine tanks.\u003c\/p\u003e\n\u003cp\u003eNot suitable for CO2 lines — this is an air fitting, not rated for pressurised CO2 systems. Splitting flow to two outlets also reduces the flow each outlet receives compared with running the pump into one line, so check your pump has enough spare capacity before adding a second outlet.\u003c\/p\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eRinse in fresh water if it becomes clogged or stiff. Replace it if a branch cracks or no longer holds a firm push-fit.\u003c\/p\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/orca-air-line-gate-green\"\u003eOrca Air Line Gate Green\u003c\/a\u003e — add a gate valve to each branch so you can balance flow between the two outlets.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/orca-small-air-stone\"\u003eOrca Small Air Stone\u003c\/a\u003e — a matched outlet for one of the two branches this piece creates.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-tropic-air-pump-500-single-wcheck-valve\"\u003eBioscape Tropic Air Pump 500 Single w\/Check Valve\u003c\/a\u003e — check it has enough spare output before splitting its line in two.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eThis is a small consumable fitting and isn't covered by a separate manufacturer warranty; your rights under Australian Consumer Law apply regardless. It ships as a standard parcel item.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat size airline does it fit?\u003c\/h4\u003e\n\u003cp\u003eStandard 4 mm aquarium airline tubing.\u003c\/p\u003e\n\u003ch4\u003eWill splitting the line weaken the airflow?\u003c\/h4\u003e\n\u003cp\u003eYes, to some degree — two outlets share the output of one pump, so each outlet gets less flow than if the pump ran a single line.\u003c\/p\u003e\n\u003ch4\u003eCan I add a valve to control each branch?\u003c\/h4\u003e\n\u003cp\u003eYes, an inline gate valve on each branch lets you balance or throttle flow independently.\u003c\/p\u003e\n\u003ch4\u003eIs it usable in a marine tank?\u003c\/h4\u003e\n\u003cp\u003eYes, it's suitable for both freshwater and marine setups.\u003c\/p\u003e","brand":"Orca","offers":[{"title":"Default Title","offer_id":55242242195747,"sku":"AA3625","price":1.95,"currency_code":"AUD","in_stock":true}]},{"product_id":"orca-air-line-gate-green","title":"Orca Air Line Gate Green","description":"\u003cp\u003e\u003cstrong\u003eSplit or dial back air flow to exactly where it's needed.\u003c\/strong\u003e This Orca airline gate valve is a push-fit inline valve for standard 4 mm aquarium airline tubing. Turn it to open, close or hold anywhere in between, so one air pump can run several air stones, sponge filters or ornaments at different flow rates without extra plumbing.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush-fit fitting\u003c\/strong\u003e — pushes onto standard 4 mm airline tubing, no glue or clamps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable flow control\u003c\/strong\u003e — turn from fully open to fully closed, and hold anywhere in between.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLets one pump feed several outlets\u003c\/strong\u003e — pair with a T-piece to split air, then use a gate valve on each branch to balance the flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact, inline fitting\u003c\/strong\u003e — sits directly in the airline with no extra bracket needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eAA3624\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting type\u003c\/td\u003e\n\u003ctd\u003eInline gate valve, variable flow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubing fit\u003c\/td\u003e\n\u003ctd\u003eStandard 4 mm aquarium airline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eGreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFresh and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for balancing air split by a T-piece across multiple air stones or sponge filters, or throttling a single air stone that's running too hard.\u003c\/p\u003e\n\u003cp\u003eNot suitable for CO2 lines — this is an air valve, not rated for pressurised CO2 systems.\u003c\/p\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eRinse in fresh water if it becomes stiff or clogged with salt creep. Replace it if it no longer holds a flow setting.\u003c\/p\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/orca-air-line-t-white\"\u003eOrca Air Line T White\u003c\/a\u003e — split one pump's output into two branches, then use this valve to balance the flow between them.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/orca-small-air-stone\"\u003eOrca Small Air Stone\u003c\/a\u003e — throttle flow to a single air stone with this valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-tropic-air-pump-500-single-wcheck-valve\"\u003eBioscape Tropic Air Pump 500 Single w\/Check Valve\u003c\/a\u003e — the power source this valve regulates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eThis is a small consumable fitting and isn't covered by a separate manufacturer warranty; your rights under Australian Consumer Law apply regardless. It ships as a standard parcel item.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat size airline does it fit?\u003c\/h4\u003e\n\u003cp\u003eStandard 4 mm aquarium airline tubing, the size used by most air pumps, air stones and sponge filters sold in Australia.\u003c\/p\u003e\n\u003ch4\u003eCan I use it on a CO2 line?\u003c\/h4\u003e\n\u003cp\u003eNo. It's designed for low-pressure air pump lines, not pressurised CO2 systems.\u003c\/p\u003e\n\u003ch4\u003eDoes closing it fully stop all the air?\u003c\/h4\u003e\n\u003cp\u003eYes — as a gate valve it closes fully, unlike a simple flow restrictor.\u003c\/p\u003e\n\u003ch4\u003eDo I need one valve per outlet?\u003c\/h4\u003e\n\u003cp\u003eOnly if you want to set each outlet's flow independently. A single outlet running straight from the pump doesn't need one unless you want to throttle it back.\u003c\/p\u003e","brand":"Orca","offers":[{"title":"Default Title","offer_id":55242242228515,"sku":"AA3624","price":1.95,"currency_code":"AUD","in_stock":true}]},{"product_id":"orca-small-air-stone","title":"Orca Small Air Stone","description":"\u003cp\u003e\u003cstrong\u003eFine bubbles add oxygen without a new pump.\u003c\/strong\u003e This Orca small air stone connects to standard 4 mm airline tubing and breaks the air from your pump into a stream of fine bubbles, increasing surface agitation and gas exchange in the tank.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine-bubble diffusion\u003c\/strong\u003e — breaks pump air into small bubbles for better gas exchange than a bare tube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard airline fitting\u003c\/strong\u003e — connects directly to 4 mm aquarium airline tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdds gentle water movement\u003c\/strong\u003e — useful in corners or low-flow areas a filter outlet doesn't reach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow cost to run\u003c\/strong\u003e — driven by your existing air pump, with no separate power draw of its own.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eAA3626\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eAir stone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTubing fit\u003c\/td\u003e\n\u003ctd\u003eStandard 4 mm aquarium airline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFresh and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for adding surface movement and gas exchange in fresh or marine aquariums, sponge filter builds, and hospital or quarantine tanks.\u003c\/p\u003e\n\u003cp\u003eNot suitable as a replacement for a filter or a protein skimmer — an air stone adds gas exchange and movement, it doesn't filter or mechanically clean the water. In a reef tank, check the bubble stream doesn't drive off CO2 you're dosing for, or disturb livestock sensitive to strong water movement.\u003c\/p\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eAir stones clog with mineral deposits and biofilm over time, which shows up as larger, fewer bubbles instead of a fine stream. Replace it at that point rather than trying to clean it — a clogged stone is cheaper to replace than to restore.\u003c\/p\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/orca-air-line-gate-green\"\u003eOrca Air Line Gate Green\u003c\/a\u003e — throttle the bubble stream if it's stronger than you want.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/orca-air-line-t-white\"\u003eOrca Air Line T White\u003c\/a\u003e — run this air stone alongside a second outlet from the same pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-tropic-air-pump-500-single-wcheck-valve\"\u003eBioscape Tropic Air Pump 500 Single w\/Check Valve\u003c\/a\u003e — the pump that drives this air stone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eThis is a small consumable and isn't covered by a separate manufacturer warranty; your rights under Australian Consumer Law apply regardless. It ships as a standard parcel item.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat size airline does it fit?\u003c\/h4\u003e\n\u003cp\u003eStandard 4 mm aquarium airline tubing.\u003c\/p\u003e\n\u003ch4\u003eHow do I know when to replace it?\u003c\/h4\u003e\n\u003cp\u003eWhen the bubbles get larger and less frequent instead of a fine, steady stream, even after checking the airline for kinks.\u003c\/p\u003e\n\u003ch4\u003eCan I use it in a saltwater tank?\u003c\/h4\u003e\n\u003cp\u003eYes, it's suitable for both freshwater and marine systems.\u003c\/p\u003e\n\u003ch4\u003eDoes it filter the water?\u003c\/h4\u003e\n\u003cp\u003eNo — it adds gas exchange and gentle movement only. Use a filter or skimmer for mechanical and biological filtration.\u003c\/p\u003e","brand":"Orca","offers":[{"title":"Default Title","offer_id":55242242261283,"sku":"AA3626","price":1.95,"currency_code":"AUD","in_stock":true}]},{"product_id":"orca-small-round-air-stone","title":"Orca Small Round Air Stone","description":"\u003cp\u003e\u003cstrong\u003eFine bubbles that quietly boost oxygen and gentle flow.\u003c\/strong\u003e The Orca Small Round Air Stone connects to any aquarium air pump through standard airline tubing and breaks the airflow into a steady stream of fine bubbles. It suits nano to medium freshwater and marine tanks where you want extra surface agitation and gas exchange without adding a second powerhead.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine-bubble diffusion\u003c\/strong\u003e — breaks pump air into a dense stream of small bubbles rather than a few large glugs, for better gas exchange at the surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound profile\u003c\/strong\u003e — sits flat and low on the substrate, easy to tuck behind rock or in a sump baffle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 4 mm airline fitting\u003c\/strong\u003e — connects straight onto an Orca air pump or any other standard aquarium air pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh and saltwater safe\u003c\/strong\u003e — suits planted tanks, community tanks and marine sumps alike.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInexpensive to replace\u003c\/strong\u003e — air stones harden and clog with mineral deposits over time, so keeping a spare on hand is cheap insurance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003ctd\u003eStandard 4 mm airline tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower source\u003c\/th\u003e\n\u003ctd\u003eRequires a separate air pump (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for nano and standard aquariums, sumps and quarantine tanks needing extra surface agitation or gas exchange.\u003c\/li\u003e\n\u003cli\u003eSuitable for both fresh and saltwater setups.\u003c\/li\u003e\n\u003cli\u003eNot a substitute for a powerhead or return pump — it adds air movement, not water turnover.\u003c\/li\u003e\n\u003cli\u003eNot suitable for use without an air pump; it has no power source of its own.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eAir stones lose output as mineral deposits build up in the pores. If the bubbles get coarse or uneven, soak the stone in fresh water and gently work the surface, or replace it — at this price, replacing is often quicker than cleaning.\u003c\/p\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/orca-air-line-t-white\"\u003eOrca Airline T-Piece White\u003c\/a\u003e\u003c\/strong\u003e — splits one pump outlet to run this air stone alongside a second stone or ornament.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/orca-air-line-gate-green\"\u003eOrca Airline Gate Valve\u003c\/a\u003e\u003c\/strong\u003e — dials the flow down if the bubble stream is too strong for a nano tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/orca-small-air-stone\"\u003eOrca Small Air Stone\u003c\/a\u003e\u003c\/strong\u003e — a slimmer alternative shape if the round profile doesn't suit the spot you have in mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered by your consumer guarantee rights under Australian Consumer Law in addition to any manufacturer warranty. Small and light — standard parcel delivery, no special freight handling required.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWill this fit my existing air pump?\u003c\/h4\u003e\n\u003cp\u003eYes. It connects to standard 4 mm aquarium airline tubing, which is what the great majority of air pumps sold in Australia use.\u003c\/p\u003e\n\u003ch4\u003eCan I use it in a saltwater tank?\u003c\/h4\u003e\n\u003cp\u003eYes. It's safe for both freshwater and marine aquariums, including reef sumps.\u003c\/p\u003e\n\u003ch4\u003eWhy has my air stone stopped bubbling evenly?\u003c\/h4\u003e\n\u003cp\u003eMineral deposits and biofilm build up in the pores over time and restrict airflow. A worn stone is inexpensive to replace and usually the fastest fix.\u003c\/p\u003e\n\u003ch4\u003eDoes it need its own power supply?\u003c\/h4\u003e\n\u003cp\u003eNo. The air stone itself is passive — it only diffuses air already being pushed through it by a separate air pump.\u003c\/p\u003e","brand":"Orca","offers":[{"title":"Default Title","offer_id":55242242294051,"sku":"AA3621","price":2.95,"currency_code":"AUD","in_stock":false}]},{"product_id":"marina-battery-operated-air-pump","title":"Marina Battery Operated Air Pump","description":"\u003cp\u003e\u003cstrong\u003eBackup air for power cuts and fish in transit.\u003c\/strong\u003e The Marina Battery Air Pump is a small air pump made by Hagen that runs on two D cell batteries. Marina sells it as a back-up air source when household power fails and as a portable aerator for fish being moved. It comes with an airstone (a porous stone that breaks the air into fine bubbles) and airline tubing.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRuns without mains power\u003c\/strong\u003e: two D cell batteries keep air going to the tank during a blackout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable\u003c\/strong\u003e: suits keeping fish aerated in a bucket or container while they are being moved.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to set up\u003c\/strong\u003e: airstone and about 45 cm (18 inch) of airline tubing are included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaker's item number: Marina 11134\u003c\/li\u003e\n\u003cli\u003ePower: two D cell batteries (not included)\u003c\/li\u003e\n\u003cli\u003eIncluded: pump, airstone, about 45 cm (18 inch) airline tubing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable as emergency or temporary aeration for an aquarium, and for fish in transit. It is not a replacement for a mains air pump for everyday running, and battery life depends on the batteries used.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eThe pump is not submersible. Keep it above the water line and out of splashes; only the airline and airstone go into the water. Take the batteries out when storing it so they do not leak.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eYour rights under Australian Consumer Law apply. Ships by standard parcel post.\u003c\/p\u003e","brand":"Marina","offers":[{"title":"Default Title","offer_id":55242245800227,"sku":"BA8572","price":24.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/marina-battery-operated-air-43875866870051.webp?v=1790239537"},{"product_id":"marina-airstone-2-5cm-card","title":"Marina AirStone 2.5cm card","description":"\u003cp\u003e\u003cstrong\u003eA small diffuser that turns pump air into fine bubbles instead of a noisy stream.\u003c\/strong\u003e The Marina Air Stone 2.5 cm is a single carded air stone that pushes onto standard aquarium airline and breaks the air from your pump into a fine column of bubbles. Most of the useful oxygen exchange happens where those bubbles disturb the water surface, not inside the bubbles themselves — which is why a fine, steady column beats a few big blobs. Suits freshwater and marine tanks.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine-bubble diffusion\u003c\/strong\u003e — a finer bubble column drives more surface movement per litre of air than a bare airline end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5 cm size\u003c\/strong\u003e — small enough to hide behind a rock or plant, or to drop into a quarantine tub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush-fit to standard airline\u003c\/strong\u003e — no adaptor, no clamp, no tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and marine\u003c\/strong\u003e — the same stone works in either, though salt shortens its service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMarina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eType\u003c\/th\u003e\n\u003ctd\u003eAir stone (air diffuser)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSize\u003c\/th\u003e\n\u003ctd\u003e2.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eConnection\u003c\/th\u003e\n\u003ctd\u003eStandard aquarium airline, push fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePack\u003c\/th\u003e\n\u003ctd\u003eSingle air stone, carded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eAA2364\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eMarina does not currently publish a material composition, a recommended pump output range or a service life for this stone, so none is stated here.\u003c\/p\u003e\n\u003ch3\u003eWhat's included, and what you'll also need\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne 2.5 cm air stone on a card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAn air pump — the stone does nothing on its own. For power cuts and transport, see the \u003ca href=\"\/products\/marina-battery-operated-air-pump\"\u003eMarina Battery Operated Air Pump\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAirline tubing\u003c\/li\u003e\n\u003cli\u003eA check valve, which stops water siphoning back into the pump if the pump sits below the water line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdding surface movement and gas exchange to a community or marine tank\u003c\/li\u003e\n\u003cli\u003eAerating a quarantine tub, hospital tank or fry container\u003c\/li\u003e\n\u003cli\u003eDriving a sponge filter or an under-gravel uplift\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiffusing CO2 — air stones are far too coarse for that, and running CO2 alongside heavy aeration works against you\u003c\/li\u003e\n\u003cli\u003eTanks holding fish that dislike current and surface turbulence, such as bettas, unless the pump output is turned right down\u003c\/li\u003e\n\u003cli\u003eUse without a check valve where the pump sits below the water line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eAir stones are consumables. Over weeks to months the pores fill with mineral scale and biofilm, the bubbles coarsen and the pump has to work harder against the back pressure.\u003c\/p\u003e\n\u003cp\u003eSoak a clogged stone in fresh water and scrub it lightly, or replace it. Do not use soap or detergent. Replace the stone once cleaning no longer restores a fine, even bubble column.\u003c\/p\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/marina-battery-operated-air-pump\"\u003eMarina Battery Operated Air Pump\u003c\/a\u003e — the air source for transport tubs and blackouts\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/marina-fish-net-breeder-box\"\u003eMarina Fish Net Breeder Box\u003c\/a\u003e — pairs with a stone to keep water moving around fry\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/marina-black-fish-net\"\u003eMarina Black Fish Net\u003c\/a\u003e — for moving fish into the aerated container\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/marina-floating-glass-thermometer\"\u003eMarina Floating Glass Thermometer\u003c\/a\u003e — aeration cools a small container faster than people expect\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eAir stones are a consumable item and carry no published manufacturer warranty term. Your rights under the Australian Consumer Law apply in addition to anything the manufacturer offers, and are not limited by this page.\u003c\/p\u003e\n\u003cp\u003eShips as a standard parcel item. No dangerous goods or oversize handling applies.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eDo bubbles actually add oxygen to the water?\u003c\/h4\u003e\n\u003cp\u003eMostly indirectly. Very little oxygen transfers from inside a rising bubble. The gain comes from the bubbles breaking the surface and constantly renewing the water in contact with air, which is why a stone placed low in the tank does more than one sitting near the top.\u003c\/p\u003e\n\u003ch4\u003eHow often should an air stone be replaced?\u003c\/h4\u003e\n\u003cp\u003eWhen the bubble column coarsens or the pump starts labouring. There is no fixed interval, and hard water and marine tanks clog a stone faster than soft fresh water.\u003c\/p\u003e\n\u003ch4\u003eDo I need a check valve?\u003c\/h4\u003e\n\u003cp\u003eIf the air pump sits below the water level of the tank, yes. Without one, a power cut can siphon tank water back down the airline and into the pump.\u003c\/p\u003e\n\u003ch4\u003eWill one 2.5 cm stone be enough for my tank?\u003c\/h4\u003e\n\u003cp\u003eFor a small tank or a quarantine tub, usually. Aeration is set by the pump's output and the number of outlets rather than by stone size, so on a larger tank people generally run two stones or a longer bubble bar.\u003c\/p\u003e","brand":"Marina","offers":[{"title":"Default Title","offer_id":55242284368163,"sku":"AA2364","price":2.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/marina-airstone-2-5cm-card-43106874523939.webp?v=1790233226"},{"product_id":"bioscape-tropic-a-c-d-c-air-pump-battery-turns-on-when-power-fails","title":"Bioscape Tropic A\/C D\/C Air Pump Battery turns on when power fails","description":"\u003cp\u003e\u003cstrong\u003eKeeps the air on when the power goes out.\u003c\/strong\u003e The Bioscape Tropic A\/C D\/C Air Pump is a single-outlet pump that runs from USB power in normal use and switches automatically to its internal battery the instant power fails — up to 8 hours of continued aeration during a blackout, a storm, or while moving a tank between power points. A check valve is included.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic battery backup\u003c\/strong\u003e — switches over the moment mains or USB power drops, with no manual step needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 8 hours of continuous battery runtime\u003c\/strong\u003e — enough to cover most short-to-medium outages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStepless adjustable airflow\u003c\/strong\u003e — dial output up or down without pinching the line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicro USB powered\u003c\/strong\u003e — runs from any 5 V USB source; no bulky wall transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.7 W energy-efficient motor\u003c\/strong\u003e — low running cost for continuous, everyday use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and marine safe\u003c\/strong\u003e — suits community tanks, planted tanks and marine sumps.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eTropic A\/C D\/C\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlets\u003c\/td\u003e\n\u003ctd\u003eSingle, with check valve included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e1.7 W, via Micro USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery backup\u003c\/td\u003e\n\u003ctd\u003eUp to 8 hours continuous, automatic switch-over\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed control\u003c\/td\u003e\n\u003ctd\u003eYes — stepless adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eNot included\u003c\/h3\u003e\u003cp\u003eA Micro USB power cable is not included — use any standard 5 V USB cable and plug pack you already have.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable as either an everyday single-outlet air pump with built-in blackout insurance, or as a dedicated backup pump that only runs during outages. Not a substitute for a twin-outlet pump if you need to run two air lines — it has one outlet, like the Tropic 1000 and 2000 in Bioscape's mains-only range.\u003c\/p\u003e\u003ch3\u003eRunning costs\u003c\/h3\u003e\u003cp\u003eDraws 1.7 W. Run continuously, that's roughly 15 kWh a year — around $4.50 a year assuming a 30c\/kWh tariff. Battery use during an outage doesn't add to your power bill; actual mains running cost depends on your own electricity plan.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003ePosition the pump above the aquarium's waterline where possible, and keep the supplied check valve fitted if it sits at or below water level, to prevent back-siphon — including during the period the pump is running on battery.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eKeep the housing dry and the intake vent free of dust. Bioscape hasn't published separate battery-replacement guidance for this model — if backup runtime drops off noticeably over time, contact Bioscape or your retailer for advice rather than opening the unit.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered under Bioscape's manufacturer warranty against defects, in addition to your rights under Australian Consumer Law. Standard parcel delivery.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB wall adapter and cable\u003c\/strong\u003e — needed to power the pump, as neither is included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirline tubing and an airstone or sponge filter\u003c\/strong\u003e — the load the pump is sized to run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA second Tropic pump\u003c\/strong\u003e — some keepers run this unit purely as backup alongside a larger mains pump for the main bioload.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eHow does it know when the power has failed?\u003c\/h4\u003e\u003cp\u003eIt switches to its internal battery automatically the moment USB power is lost — there's no manual switch to flip during an outage.\u003c\/p\u003e\u003ch4\u003eIs 8 hours realistic, or a best-case figure?\u003c\/h4\u003e\u003cp\u003eBioscape states up to 8 hours of continuous battery use; actual runtime will vary with the flow rate you've dialled in — running it wide open will use the battery faster than a reduced setting.\u003c\/p\u003e\u003ch4\u003eCan I use it as my everyday air pump, not just backup?\u003c\/h4\u003e\u003cp\u003eYes — it runs continuously from USB power like any other air pump, and simply falls back to battery if that power is interrupted.\u003c\/p\u003e\u003ch4\u003eDoes it come with a USB adapter?\u003c\/h4\u003e\u003cp\u003eNo — it needs a standard 5 V USB cable and plug pack, which aren't included.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55242290626851,"sku":"BA8571","price":74.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-tropic-a-c-d-c-air-43138254438691.webp?v=1790233224"},{"product_id":"api-co2-booster","title":"API CO2 Booster","description":"\u003cp\u003e\u003cstrong\u003eOne millilitre a day supplies plant-usable carbon without pressurised gas.\u003c\/strong\u003e API CO2 Booster is a liquid carbon source for freshwater planted aquariums, sold here in 237 mL (8 fl oz) and 473 mL (16 fl oz) bottles. API states the product supplies carbon in two forms — CO2 and simple organic carbon compounds — that plants take up through the water column. Dosed once a day at 1 mL per 10 US gallons (38 L), it can be used on its own in a low-tech planted tank or alongside a pressurised CO2 system.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiquid carbon, not a gas\u003c\/strong\u003e — API describes it as an organic compound that slowly releases CO2 plants can absorb through the water, rather than a pressurised gas dosed through a diffuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne dose a day\u003c\/strong\u003e — 1 mL per 10 US gallons (38 L), measured with the API Dosing Cap fitted to the bottle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes not alter pH\u003c\/strong\u003e — API states it is safe for use with freshwater fish and will not shift aquarium pH.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShrimp-safe at the label rate\u003c\/strong\u003e — API states it is safe for use with shrimp when dosed according to directions; that claim does not extend to overdosing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with or without pressurised CO2\u003c\/strong\u003e — API markets it for use alone or alongside an injected CO2 system, for tanks not yet running pressurised gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnder 1c per litre\u003c\/strong\u003e — see Cost per litre below. Both bottle sizes work out to a fraction of a cent per litre dosed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDosage and directions\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAquarium volume\u003c\/th\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003cth\u003eFrequency\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e38 L (10 US gal)\u003c\/td\u003e\n\u003ctd\u003e1 mL\u003c\/td\u003e\n\u003ctd\u003eOnce daily\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e190 L (50 US gal)\u003c\/td\u003e\n\u003ctd\u003e5 mL\u003c\/td\u003e\n\u003ctd\u003eOnce daily\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eApplied at the same 1 mL : 38 L ratio across common tank sizes:\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAquarium volume\u003c\/th\u003e\n\u003cth\u003eDaily dose\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20 L\u003c\/td\u003e\n\u003ctd\u003e0.5 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60 L\u003c\/td\u003e\n\u003ctd\u003e1.6 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100 L\u003c\/td\u003e\n\u003ctd\u003e2.6 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200 L\u003c\/td\u003e\n\u003ctd\u003e5.3 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e400 L\u003c\/td\u003e\n\u003ctd\u003e10.5 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eDose using the API Dosing Cap supplied on the bottle, added directly to the tank once a day rather than saved up and added in one weekly dose.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eAPI (Mars Fishcare)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eLiquid carbon supplement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBottle sizes sold here\u003c\/th\u003e\n\u003ctd\u003e237 mL (8 fl oz), 473 mL (16 fl oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDose rate\u003c\/th\u003e\n\u003ctd\u003e1 mL per 10 US gallons (38 L), once daily\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater, planted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEffect on pH\u003c\/th\u003e\n\u003ctd\u003eNone stated by API\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShrimp safe\u003c\/th\u003e\n\u003ctd\u003eYes, at the label dose rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIngredient declaration\u003c\/th\u003e\n\u003ctd\u003eNot published on API's product page — see note below\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003eStandard, both sizes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eAPI's safety data sheet for this product exists but returned an access error when this page was checked, so we cannot transcribe a verbatim ingredient list here. Nothing on API's product page names the active carbon compound. If you need the exact composition, API Fishcare's customer service can supply the SDS directly.\u003c\/p\u003e\n\n\u003ch3\u003eCost per litre\u003c\/h3\u003e\n\u003cp\u003eAPI does not publish a \"treats X litres\" figure for this product, so the figures below are worked from API's own dose rate: at 1 mL per 38 L per day, a bottle's millilitres divide out to a total volume of daily dosing capacity.\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eLitres of daily dosing per bottle\u003c\/th\u003e\n\u003cth\u003eCost per litre dosed\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e237 mL\u003c\/td\u003e\n\u003ctd\u003e9,006 L\u003c\/td\u003e\n\u003ctd\u003eUnder 1c per litre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e473 mL\u003c\/td\u003e\n\u003ctd\u003e17,974 L\u003c\/td\u003e\n\u003ctd\u003eUnder 1c per litre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eBoth sizes work out to well under a cent per litre dosed. Per millilitre, the 473 mL bottle is the cheaper of the two — worth buying if you're dosing more than one tank, or a single tank over about 100 L.\u003c\/p\u003e\n\n\u003ch3\u003eWhich size do I need?\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBottle\u003c\/th\u003e\n\u003cth\u003eSuits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e237 mL\u003c\/td\u003e\n\u003ctd\u003eA single tank up to roughly 100–150 L, dosed daily\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e473 mL\u003c\/td\u003e\n\u003ctd\u003eA larger tank, or more than one planted tank on a daily dosing routine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFreshwater planted aquariums run without pressurised CO2\u003c\/li\u003e\n\u003cli\u003ePlanted tanks already running pressurised CO2, as a supplementary carbon source\u003c\/li\u003e\n\u003cli\u003eShrimp tanks, dosed strictly at the label rate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMarine, reef or brackish aquariums — API makes no saltwater claim for this product\u003c\/li\u003e\n\u003cli\u003eComplete plant nutrition on its own — API recommends pairing it with a fertiliser such as \u003ca href=\"\/products\/api-leaf-zone\"\u003eAPI Leaf Zone\u003c\/a\u003e \"for complete plant care\", which tells you this bottle supplies carbon only, not macro or micronutrients\u003c\/li\u003e\n\u003cli\u003eDosing above the label rate around shrimp or other sensitive invertebrates\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety and handling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKeep out of reach of children.\u003c\/li\u003e\n\u003cli\u003eUse the API Dosing Cap to measure each day's dose rather than pouring by eye.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the label dose, particularly in shrimp tanks.\u003c\/li\u003e\n\u003cli\u003eStore the bottle sealed, away from direct sunlight and heat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-leaf-zone\"\u003eAPI Leaf Zone\u003c\/a\u003e — API's own pairing recommendation, for the macro and micronutrients this bottle does not supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-co2-reactor-with-onoff-valve\"\u003eBioscape CO2 Reactor with On\/Off Valve\u003c\/a\u003e — for a tank moving up to a pressurised system this bottle can still supplement.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-quick-start\"\u003eAPI Quick Start\u003c\/a\u003e — live nitrifying bacteria for a newly planted or recently disturbed tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-freshwater-master-multi-test-kit-5-in-1\"\u003eAPI Freshwater Master Multi Test Kit 5 in 1\u003c\/a\u003e — keep an eye on pH and ammonia while you dial in a new dosing routine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eThis is a consumable, so no manufacturer warranty period applies. That does not affect your rights under the Australian Consumer Law: if the product is faulty, unsafe or not as described, you are entitled to a remedy.\u003c\/p\u003e\n\u003cp\u003eBoth bottle sizes ship as standard freight.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eDoes API CO2 Booster replace a pressurised CO2 system?\u003c\/h4\u003e\n\u003cp\u003eNot necessarily. API markets it for use either on its own in a low-tech planted tank, or alongside an injected CO2 system as a supplementary carbon source. Which approach suits your tank depends on your plant selection and lighting.\u003c\/p\u003e\n\u003ch4\u003eWill it change my aquarium's pH?\u003c\/h4\u003e\n\u003cp\u003eAPI states the product will not alter pH levels in aquariums, unlike a pressurised CO2 system, which can lower pH as dissolved CO2 rises.\u003c\/p\u003e\n\u003ch4\u003eIs it safe with shrimp?\u003c\/h4\u003e\n\u003cp\u003eAPI states it is safe for use with shrimp when dosed according to directions. That claim is tied to the label rate of 1 mL per 38 L daily — it is not a guarantee at higher doses.\u003c\/p\u003e\n\u003ch4\u003eHow much does a 237 mL bottle treat?\u003c\/h4\u003e\n\u003cp\u003eAt API's rate of 1 mL per 38 L once daily, 237 mL is 237 individual doses. Spread across one 38 L tank dosed daily, that's 237 days; spread across a larger volume, fewer days at a larger daily dose.\u003c\/p\u003e\n\u003ch4\u003eCan I use it in a saltwater or reef tank?\u003c\/h4\u003e\n\u003cp\u003eAPI makes no saltwater or reef claim for this product. It is sold and labelled as a freshwater planted-tank treatment.\u003c\/p\u003e\n\u003ch4\u003eWhat is actually in the bottle?\u003c\/h4\u003e\n\u003cp\u003eAPI's product page does not name the active carbon compound, and the safety data sheet could not be retrieved when this page was checked. We have not guessed at the chemistry — contact API Fishcare directly if you need it confirmed.\u003c\/p\u003e","brand":"API","offers":[{"title":"237 mL","offer_id":55244124356899,"sku":null,"price":39.95,"currency_code":"AUD","in_stock":false},{"title":"473 mL","offer_id":55244124389667,"sku":"BA1935","price":71.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/api-co2-booster-43204071751971.webp?v=1790238163"},{"product_id":"bioscape-flexible-bubble-wall","title":"Bioscape Flexible Bubble Wall","description":"\u003cp\u003e\u003cstrong\u003eOne long, even curtain of bubbles instead of a single noisy stream.\u003c\/strong\u003e The Bioscape Flexible Bubble Wall is a bendable air diffuser strip, sold in 45cm, 60cm and 75cm lengths, that spreads a standard aquarium air pump's output along the back or base of the tank as a wide sheet of fine bubbles rather than one point source.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible strip\u003c\/strong\u003e — bends to trace the back or base of the aquarium, so the bubble curtain follows the shape of the tank rather than sitting in one spot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree lengths\u003c\/strong\u003e — 45cm, 60cm and 75cm, sized to standard, mid-size and larger tanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface agitation\u003c\/strong\u003e — the rising bubble column pulls water to the surface, which supports gas exchange alongside your filter's own flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrims to fit\u003c\/strong\u003e — can be cut down for a shorter run without needing an exact-length match to the tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich one do I need?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003eBest suited to\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e45cm\u003c\/td\u003e\n\u003ctd\u003eBIS100\u003c\/td\u003e\n\u003ctd\u003eSmall to standard tanks up to roughly 45cm wide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60cm\u003c\/td\u003e\n\u003ctd\u003eBIS101\u003c\/td\u003e\n\u003ctd\u003eStandard to mid-size tanks up to roughly 60cm wide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75cm\u003c\/td\u003e\n\u003ctd\u003eBIS102\u003c\/td\u003e\n\u003ctd\u003eLarger tanks, or run along the base for full-width coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSetup and use\u003c\/h3\u003e\n\u003cp\u003eConnect to airline tubing from any standard aquarium air pump, and anchor along the glass with airline suction cups (sold separately). A longer bubble wall needs more air to run its full length evenly — if the far end runs quiet compared to the near end, a higher-output pump will even out the curtain.\u003c\/p\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e freshwater and saltwater aquariums where extra surface movement or a decorative bubble curtain is wanted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e fish or invertebrates that prefer still water, and species sensitive to constant fine vibration or strong surface disturbance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eMineral build-up can gradually block the fine pores; an occasional soak in fresh water and a gentle squeeze restores even bubbling. Replace once bubbling becomes patchy along the strip's length even after cleaning.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered against manufacturing defects on arrival, in addition to your rights under Australian Consumer Law. Ships as a standard parcel item. Requires a separate air pump and airline tubing, sold separately.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eDo I need a special air pump for this?\u003c\/h4\u003e\n\u003cp\u003eNo — any standard aquarium air pump with airline tubing will run it. Larger lengths simply benefit from a higher-output pump to keep the bubble curtain even end to end.\u003c\/p\u003e\n\u003ch4\u003eCan I cut it to a custom length?\u003c\/h4\u003e\n\u003cp\u003eYes, it can be trimmed shorter to fit a specific run. It can't be extended beyond its supplied length.\u003c\/p\u003e\n\u003ch4\u003eWill it work in a saltwater tank?\u003c\/h4\u003e\n\u003cp\u003eYes, it's suited to both freshwater and saltwater use.\u003c\/p\u003e\n","brand":"Bioscape","offers":[{"title":"45 cm","offer_id":55249198350627,"sku":null,"price":6.95,"currency_code":"AUD","in_stock":false},{"title":"60 cm","offer_id":55249198383395,"sku":"BIS101","price":8.95,"currency_code":"AUD","in_stock":false},{"title":"75 cm","offer_id":55249198416163,"sku":"BIS102","price":10.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-flexible-bubble-wal-43876824252707.webp?v=1790239781"},{"product_id":"bioscape-mineral-airstone-carded","title":"Bioscape Mineral Airstone (Carded)","description":"\u003cp\u003e\u003cstrong\u003eA mineral airstone in five lengths, nano to full-width curtains.\u003c\/strong\u003e Bioscape's Mineral Airstone connects to standard airline tubing from any aquarium air pump, breaking the airflow into a curtain of fine bubbles that lifts oxygen exchange and adds movement to the water. It's sold in five lengths, 52 mm to 300 mm, so the same stone scales from a nano tank to a full tank-width bubble wall.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine, even bubbles\u003c\/strong\u003e — mineral stone construction diffuses airflow into a curtain rather than large, noisy bubbles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive lengths\u003c\/strong\u003e — 52, 100, 150, 200 and 300 mm, so the bubble curtain can be sized to the tank rather than the tank fitted around one stone size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard airline fitting\u003c\/strong\u003e — connects directly to the airline tubing already running from your air pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoosts oxygen exchange\u003c\/strong\u003e — extra surface agitation helps gas exchange, useful when stocking is heavy or during hot weather when dissolved oxygen drops.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003eIndicative use\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e52 mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eNano tanks and small bubble accents\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003ctd\u003eBIS107\u003c\/td\u003e\n\u003ctd\u003eSmall to medium tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e150 mm\u003c\/td\u003e\n\u003ctd\u003eBIS108\u003c\/td\u003e\n\u003ctd\u003eMedium tanks, longer bubble line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200 mm\u003c\/td\u003e\n\u003ctd\u003eBIS109\u003c\/td\u003e\n\u003ctd\u003eLarger tanks, wider curtain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e300 mm\u003c\/td\u003e\n\u003ctd\u003eBIS110\u003c\/td\u003e\n\u003ctd\u003eFull-width curtains on big tanks or sumps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich size do I need?\u003c\/h3\u003e\u003cp\u003eAs a rough guide, match the stone length to roughly a third to half of your tank's width for a curtain that reads as a feature rather than a single stream of bubbles — a 300 mm stone suits tanks in the 90 cm-plus range, while 52-100 mm suits nano and small tanks. Airline splitters let you run more than one stone off a single pump if you want a wider spread than one stone provides.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for freshwater and marine aquariums running standard airline tubing and any diaphragm or piston air pump. Not suitable for use without an air pump — the stone is a passive diffuser and does nothing without airflow behind it. Not intended as the sole aeration source in a heavily stocked tank, where a properly sized filter and surface agitation still do most of the work.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eMineral airstones clog gradually as mineral deposits and biofilm build up inside the stone, showing up as bigger, uneven bubbles or reduced flow. They're not usually worth cleaning — replace the stone every few months rather than running a clogged one, since the extra back-pressure strains the pump's diaphragm over time.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law. Ships by standard parcel post.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDo I need a separate air pump?\u003c\/h4\u003e\u003cp\u003eYes. The airstone is a passive diffuser — it needs airflow from an air pump connected by airline tubing to produce bubbles.\u003c\/p\u003e\u003ch4\u003eWhat size should I get?\u003c\/h4\u003e\u003cp\u003eRoughly a third to half your tank's width, as a starting point — see the size table above. You can also run two smaller stones off a splitter if you want a wider spread than one stone gives.\u003c\/p\u003e\u003ch4\u003eHow often should I replace it?\u003c\/h4\u003e\u003cp\u003eEvery few months, when the bubbles get bigger and less even. That's mineral deposit and biofilm build-up inside the stone, and it's simpler and cheaper to replace than to try to clean out.\u003c\/p\u003e\u003ch4\u003eCan I use it in a marine tank?\u003c\/h4\u003e\u003cp\u003eYes, mineral airstones suit both freshwater and marine aquariums.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"52 mm","offer_id":55249198481699,"sku":null,"price":1.95,"currency_code":"AUD","in_stock":true},{"title":"100 mm","offer_id":55249198514467,"sku":"BIS107","price":2.95,"currency_code":"AUD","in_stock":true},{"title":"150 mm","offer_id":55249198547235,"sku":"BIS108","price":3.95,"currency_code":"AUD","in_stock":true},{"title":"200 mm","offer_id":55249198580003,"sku":"BIS109","price":4.95,"currency_code":"AUD","in_stock":true},{"title":"300 mm","offer_id":55249198612771,"sku":"BIS110","price":5.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-mineral-airstone-ca-43876824285475.webp?v=1790239782"},{"product_id":"aqua-medic-silicagel-air-dryer-refill-1ltr","title":"Aqua Medic Silicagel Air Dryer Refill 1Ltr","description":"\u003cp\u003e\u003cstrong\u003eKeep your Aqua Medic air dryer doing its job before it reaches your equipment.\u003c\/strong\u003e This 1 litre refill pack of silica gel replaces the drying granulate inside Aqua Medic's air dryer canister, the inline unit that pulls moisture out of air before it's fed to sensitive equipment such as an ozone generator.\u003c\/p\u003e\n\u003cp\u003eHumid air is the enemy of ozone production — ozone output can drop sharply once supply air picks up moisture, which is exactly what the air dryer canister is there to prevent. This refill restores it to full working order.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour-change indicator\u003c\/strong\u003e — the granulate is orange when dry and ready, and turns blue once it has absorbed enough moisture to need attention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraightforward refill\u003c\/strong\u003e — tips straight into the existing Aqua Medic air dryer canister.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 litre pack\u003c\/strong\u003e — matches the standard fill volume of the Aqua Medic air dryer canister.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003ctd\u003e1 litre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormat\u003c\/th\u003e\n\u003ctd\u003eSilica gel granulate (desiccant beads)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSaturation indicator\u003c\/th\u003e\n\u003ctd\u003eOrange (dry, ready to use) turning blue (needs replacing or regenerating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eAqua Medic air dryer canister (Ozone Booster – Air Dryer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat's included \/ not included\u003c\/h3\u003e\n\u003cp\u003eThis is the granulate refill only — the air dryer canister itself is sold separately.\u003c\/p\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eCheck the granulate colour periodically. Once it has turned from orange to blue, replace it, or remove it to dry out and reuse. Aqua Medic doesn't publish a specific regeneration time or temperature for this pack, so if you plan to regenerate rather than replace, dry cautiously and check the colour has reverted before refitting.\u003c\/p\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for anyone running an Aqua Medic air dryer canister ahead of an ozone generator or another moisture-sensitive air line. We haven't been able to confirm compatibility beyond that documented application, so if you have a different use in mind, check with us before ordering.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eSold as a consumable refill; no separate warranty applies to the granulate itself. Standard delivery.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eHow do I know when to replace the granulate?\u003c\/h4\u003e\n\u003cp\u003eWatch the colour. Aqua Medic's beads are orange when dry and change to blue once they've absorbed enough moisture to need replacing or regenerating.\u003c\/p\u003e\n\u003ch4\u003eCan I regenerate the granulate instead of buying a new pack?\u003c\/h4\u003e\n\u003cp\u003eThe colour-change design is intended to support drying out and reusing the granulate, but Aqua Medic doesn't publish an exact regeneration method for this pack, so we can't give you a bake time or temperature with confidence.\u003c\/p\u003e\n\u003ch4\u003eDoes this fit my CO2 system?\u003c\/h4\u003e\n\u003cp\u003eThis refill is designed for Aqua Medic's air dryer canister, which is documented for use ahead of an ozone generator. We haven't been able to confirm a CO2 calcium-reactor line application from Aqua Medic, so if that's your use case, check with us before ordering.\u003c\/p\u003e","brand":"Aqua Medic","offers":[{"title":"Default Title","offer_id":55285029667107,"sku":"AB12730","price":54.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/aqua-medic-silicagel-air-dry-43507416793379.webp?v=1790234313"},{"product_id":"aqua-medic-regular-co2-regulator","title":"Aqua Medic Regular - CO2 Regulator","description":"\u003cp\u003e\u003cstrong\u003eGive your planted tank steady CO2, not a slow leak or a sudden dump.\u003c\/strong\u003e The Aqua Medic Regular is a single-stage CO2 pressure regulator for planted aquariums, holding a fixed 1.5 bar working pressure off a cylinder rated to 70 bar, with a needle valve for fine flow adjustment and dual gauges so you can see cylinder and working pressure at a glance.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-stage regulation\u003c\/strong\u003e — steps cylinder pressure down to a fixed 1.5 bar working pressure, rated for cylinders up to 70 bar (120 bar maximum inlet).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeedle valve fine control\u003c\/strong\u003e — flow is set with the needle valve rather than the regulator itself, giving a usable adjustment range of roughly 70–1,200 mL per minute.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual pressure gauges\u003c\/strong\u003e — one shows remaining cylinder pressure, the other shows regulated working pressure, so you can see when a cylinder is running low without disconnecting it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCO2-specific\u003c\/strong\u003e — built for CO2 only; not rated for other compressed gases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegulation type\u003c\/td\u003e\n\u003ctd\u003eSingle-stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking (output) pressure\u003c\/td\u003e\n\u003ctd\u003e1.5 bar, fixed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated cylinder pressure\u003c\/td\u003e\n\u003ctd\u003e70 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum inlet pressure\u003c\/td\u003e\n\u003ctd\u003e120 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow range\u003c\/td\u003e\n\u003ctd\u003e70–1,200 mL\/min (needle valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas\u003c\/td\u003e\n\u003ctd\u003eCO2 only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat's included \/ what you'll still need\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e the regulator body with dual gauges and needle valve.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eYou'll still need:\u003c\/strong\u003e a solenoid valve if you want the CO2 supply to switch off automatically overnight or on a timer (sold separately), a bubble counter, a check valve to stop tank water siphoning back into the regulator, and a CO2 cylinder.\u003c\/p\u003e\n\u003ch3\u003eWill it fit my setup?\u003c\/h3\u003e\n\u003cp\u003eThe Regular uses Aqua Medic's European-pattern cylinder connection — the closely related Regular Mini in the same range is specified as W21.8 x 1\/14\". This isn't the CGA320\/POL fitting used on most Australian-filled CO2 bottles, so check compatibility with us, or ask about an adapter, before you buy a cylinder to go with it.\u003c\/p\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e planted freshwater aquariums running pressurised CO2 injection, paired with a diffuser or reactor and, ideally, a solenoid valve and timer or controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e gases other than CO2, or as a stand-alone automatic on\/off system — add a solenoid for that.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eCO2 systems should always run with a check valve to prevent aquarium water being drawn back into the regulator, and should be checked for leaks at every connection point after setup using a soapy water test. Maximum inlet pressure is 120 bar — never connect to a cylinder or gas source rated above this.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered by the manufacturer's warranty in addition to your rights under the Australian Consumer Law. Contact us for the current warranty term. This is a compact, unpressurised item for freight purposes when shipped without a filled cylinder.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this come with a solenoid valve?\u003c\/h4\u003e\n\u003cp\u003eNo. The Regular is the regulator body only; add a solenoid valve if you want the CO2 supply to switch off automatically overnight or on a timer.\u003c\/p\u003e\n\u003ch4\u003eWill it fit a standard Australian CO2 bottle?\u003c\/h4\u003e\n\u003cp\u003eIt uses Aqua Medic's European-pattern cylinder connection rather than the Australian CGA320\/POL fitting, so check with us about an adapter before pairing it with a locally-filled cylinder.\u003c\/p\u003e\n\u003ch4\u003eWhat flow rate can I run?\u003c\/h4\u003e\n\u003cp\u003eThe needle valve gives fine control across roughly 70–1,200 mL per minute — most planted tanks run well inside that range; start low and increase gradually while watching your drop checker or pH.\u003c\/p\u003e\n\u003ch4\u003eDoes it include a bubble counter?\u003c\/h4\u003e\n\u003cp\u003eNo, a bubble counter isn't included — add one in the line to see your bubble rate, or use one built into a diffuser or reactor.\u003c\/p\u003e","brand":"Aqua Medic","offers":[{"title":"Default Title","offer_id":55285029765411,"sku":"AB71011","price":299.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/aqua-medic-regular-co2-regulator-aquatic-supplies-australia-4321870_1200x1200_a924b22f-28c7-4735-84b2-37690635c7aa.jpg?v=1791170361"},{"product_id":"aqua-medic-reactor-1000-external-co2-reactor","title":"Aqua Medic Reactor 1000 - External CO2 Reactor","description":"\u003cp\u003e\u003cstrong\u003eDissolves CO2 outside the tank, with nothing inside it to see or clean.\u003c\/strong\u003e The Aqua Medic Reactor 1000 is an external CO2 reactor for planted freshwater aquariums up to 2,000 L. It sits in the cabinet or behind the tank, plumbed into a return line from an external pump, and dissolves injected CO2 into the passing water before it re-enters the aquarium — so there is no diffuser, bubble counter or ceramic disc inside the display to interrupt the view.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully external\u003c\/strong\u003e — the reactor body, and all CO2 dissolution, happens outside the aquarium. Nothing to hide inside an aquascape.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHermetically sealed housing\u003c\/strong\u003e — CO2 stays in the reactor chamber under water pressure instead of gassing off at the surface, which is the main efficiency loss in inline diffusers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal mounting plate\u003c\/strong\u003e — fixes to a cabinet wall or sits loose behind the tank; no fixed orientation requirement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 mm hose connection\u003c\/strong\u003e — matches Aqua Medic's standard hose barb sizing, so it plumbs inline with common external pump and canister filter hose runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable\u003c\/strong\u003e — O-rings, hose nozzles and the deaeration valve are all available as spare parts, so a worn seal doesn't mean replacing the whole unit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSuitable for\u003c\/th\u003e\n\u003ctd\u003eAquariums up to 2,000 L (approx. 500 US gal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003eApprox. 37 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003eApprox. 8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHose connection\u003c\/th\u003e\n\u003ctd\u003e16 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired pump flow through the reactor\u003c\/th\u003e\n\u003ctd\u003e1,500 – 2,500 L\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstallation\u003c\/th\u003e\n\u003ctd\u003eExternal, cabinet or in-line behind the aquarium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater \/ planted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWill it fit my tank?\u003c\/h3\u003e\u003cp\u003eThe 2,000 L rating is a ceiling set by CO2 contact time, not by physical size. What actually determines performance is the flow pushed through the reactor: Aqua Medic specifies 1,500–2,500 L\/h. Below that range, CO2 has too long a contact time and can supersaturate the outflow; above it, contact time drops and dissolution efficiency falls. Check your external pump or canister filter's rated flow against this range before ordering — a pump sized only for the display tank's turnover may not fall inside it.\u003c\/p\u003e\u003ch3\u003eWhat's included \/ what you'll still need\u003c\/h3\u003e\u003cp\u003eThe box contains the reactor body, mounting plate and hose nozzles for a 16 mm connection. It does not include a CO2 cylinder, regulator, solenoid, bubble counter or the external pump that drives water through it — all of these are sold separately and are required for the reactor to function.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e planted freshwater aquariums already running, or being fitted with, an external pump or canister filter capable of 1,500–2,500 L\/h through a bypass line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e tanks without a pump able to reach that flow window, and marine\/reef systems — this is a CO2 reactor for planted tanks, not a calcium reactor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eCheck the deaeration valve periodically for trapped air, which reduces the water volume in contact with the CO2 and cuts dissolution efficiency. O-rings and hose nozzles are wear items and are sold individually if a seal starts to weep.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by Aqua Medic's manufacturer warranty against manufacturing defects, in addition to your rights under Australian Consumer Law. Standard freight — no special handling required.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDo I need a separate CO2 diffuser as well?\u003c\/h4\u003e\u003cp\u003eNo. The Reactor 1000 replaces an inline or in-tank diffuser entirely — CO2 is injected into the reactor chamber and dissolved there before the water returns to the aquarium.\u003c\/p\u003e\u003ch4\u003eCan I run it on my display tank's main filter return?\u003c\/h4\u003e\u003cp\u003eOnly if that pump's flow falls inside 1,500–2,500 L\/h. Many display-tank canister filters are sized well under this for a planted tank's turnover, so a dedicated pump on a bypass loop is common.\u003c\/p\u003e\u003ch4\u003eWill it work on a marine or reef tank?\u003c\/h4\u003e\u003cp\u003eIt's built and rated for freshwater CO2 injection. Reef keepers wanting to dissolve CO2 for a calcium reactor need a calcium reactor, not this unit.\u003c\/p\u003e\u003ch4\u003eWhere does it mount?\u003c\/h4\u003e\u003cp\u003eAnywhere external to the tank within hose reach — cabinet wall via the mounting plate, or standing behind the aquarium — as long as the 16 mm hose connections reach your pump and return line.\u003c\/p\u003e\u003ch4\u003eWhat if I see bubbles collecting inside the reactor?\u003c\/h4\u003e\u003cp\u003eSmall amounts of trapped air are normal and are cleared through the deaeration valve. Persistent air building up faster than it clears usually points to a flow rate below the 1,500 L\/h minimum.\u003c\/p\u003e","brand":"Aqua Medic","offers":[{"title":"Default Title","offer_id":55285029798179,"sku":"AB71113","price":306.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/aqua-medic-reactor-1000-exte-43507416695075.webp?v=1790234312"},{"product_id":"aqua-medic-silicone-co2-hose-4-6mm-5mtr-pack","title":"Aqua Medic Silicone CO2 Hose - 4\/6mm (5mtr pack)","description":"\u003cp\u003e\u003cstrong\u003eA soft, flexible line sized to fit standard 4\/6mm CO2 fittings.\u003c\/strong\u003e This 5 metre roll of Aqua Medic CO2 hose measures 4mm inside diameter and 6mm outside diameter, matching the barb size used on most aquarium CO2 regulators, bubble counters, check valves, solenoids and diffusers.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4\/6mm sizing\u003c\/strong\u003e — fits standard aquarium CO2 fittings without an adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5 metre roll\u003c\/strong\u003e — enough for most regulator-to-diffuser runs, with length to spare for routing around a cabinet or sump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible\u003c\/strong\u003e — routes around tight corners without a hard kink.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eInside diameter\u003c\/th\u003e\n\u003ctd\u003e4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutside diameter\u003c\/th\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitting size\u003c\/th\u003e\n\u003ctd\u003e4\/6 mm barb or push-fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for connecting CO2 regulators, bubble counters, check valves, solenoids and diffusers that use a 4\/6mm barb. Not sized for the larger hose barbs used on some skimmer or reactor plumbing — check your fitting size before ordering. Aqua Medic doesn't publish a maximum working pressure for this hose, so we can't confirm it against a specific regulator's output pressure.\u003c\/p\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eTrim to length with a sharp blade for a clean, leak-free push-fit. Replace if it hardens, discolours or develops a permanent kink, which reduces flow and can strain a push-fit joint.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eSold as a consumable line item; no separate warranty applies. Standard delivery.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWill this fit my CO2 regulator?\u003c\/h4\u003e\n\u003cp\u003eIf your regulator, bubble counter or diffuser uses a 4mm barb with a 6mm outside diameter, yes. Check the fitting size stated on your other CO2 components first.\u003c\/p\u003e\n\u003ch4\u003eIs this hose gas-tight for CO2?\u003c\/h4\u003e\n\u003cp\u003eAqua Medic sells this as a CO2 line, but doesn't publish an independent gas-permeability or working-pressure figure for it, so we can't give you a number here. For a long-term, low-loss run, keep joins tight and check the line periodically for CO2 loss — a drop in bubble count at the same regulator setting is usually the first sign.\u003c\/p\u003e\n\u003ch4\u003eCan I use it with a check valve?\u003c\/h4\u003e\n\u003cp\u003eYes — it's designed to connect standard 4\/6mm CO2 components including check valves, in-line diffusers and solenoids.\u003c\/p\u003e","brand":"Aqua Medic","offers":[{"title":"Default Title","offer_id":55285029830947,"sku":"AB71614","price":27.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/aqua-medic-silicone-co2-hose-10278090244387-1-dq.webp?v=1790372666"},{"product_id":"aqua-medic-co2-reactor-compact-diffuser","title":"Aqua Medic CO2 Reactor Compact Diffuser","description":"\u003cp\u003e\u003cstrong\u003eA compact CO2 reactor that adds a non-return valve and a bubble counter to the same fitting, so you are not plumbing three separate parts into your CO2 line.\u003c\/strong\u003e The Aqua Medic Reactor Compact dissolves CO2 into the water column for planted freshwater aquariums up to 200 L, and its small footprint suits nano and mid-size tanks where a full-size external reactor will not fit under the cabinet.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated non-return valve\u003c\/strong\u003e — stops tank water siphoning back into the CO2 line if pressure drops, protecting your regulator and solenoid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated bubble counter\u003c\/strong\u003e — lets you see and set your bubble rate without a separate inline counter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact body\u003c\/strong\u003e — designed to sit inline on the CO2 tubing without the bulk of a full external reactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated to 200 L\u003c\/strong\u003e — sized for nano through to mid-size planted tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum aquarium size\u003c\/th\u003e\n\u003ctd\u003e200 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBuilt-in features\u003c\/th\u003e\n\u003ctd\u003eNon-return valve, bubble counter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater \/ planted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eItem number\u003c\/th\u003e\n\u003ctd\u003e71630\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for freshwater planted aquariums up to 200 L running pressurised or bulk CO2 with standard aquarium CO2 tubing. Not a substitute for a regulator or solenoid — it dissolves and meters CO2 already being supplied by your system, it does not generate or regulate it. Not designed for marine or reef systems.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by the Aqua Medic manufacturer warranty in addition to your rights under Australian Consumer Law. Standard parcel delivery Australia-wide.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWill this work with any CO2 regulator?\u003c\/h4\u003e\u003cp\u003eYes. The reactor sits inline on the CO2 tubing between your regulator\/solenoid and the aquarium, so it works with any standard pressurised CO2 setup rather than a specific brand of regulator.\u003c\/p\u003e\u003ch4\u003eDo I still need a separate bubble counter?\u003c\/h4\u003e\u003cp\u003eNo. The bubble counter is built into the unit, so there's nothing extra to plumb in.\u003c\/p\u003e\u003ch4\u003eWhat happens if my CO2 supply cuts out?\u003c\/h4\u003e\u003cp\u003eThe integrated non-return valve stops water being siphoned back up the line into your regulator, which is the main risk when pressure drops or a cylinder runs out.\u003c\/p\u003e\u003ch4\u003eIs this suitable for a marine tank?\u003c\/h4\u003e\u003cp\u003eNo — it's built for freshwater planted CO2 systems, not for reef or marine dosing.\u003c\/p\u003e","brand":"Aqua Medic","offers":[{"title":"Default Title","offer_id":55285029863715,"sku":"AB71630","price":50.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/aqua-medic-co2-reactor-compa-43507416203555.webp?v=1790234313"},{"product_id":"aqua-medic-co2-bubble-counter-w-check-valve","title":"Aqua Medic CO2 Bubble Counter w\/- Check Valve","description":"\u003cp\u003e\u003cstrong\u003eAn inline bubble counter with a built-in check valve, so you can see your CO2 rate and protect your regulator in one fitting.\u003c\/strong\u003e The Aqua Medic CO2 Bubble Counter sits in your CO2 line between the regulator and the reactor or diffuser, giving a clear view of bubble rate so you can dial in dosing by eye. The integrated check valve stops tank water from siphoning back up the line into your regulator if pressure in the system drops.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible bubble rate\u003c\/strong\u003e — count bubbles per second or minute to set and check your CO2 dosing without guesswork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated check valve\u003c\/strong\u003e — a genuine safety feature, not just a counter. It stops water siphoning back into the regulator, which can otherwise corrode the regulator internals or flood the line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple inline fitting\u003c\/strong\u003e — installs directly into the CO2 line between the regulator and the reactor or diffuser, no tools beyond the standard hose connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatches Aqua Medic's CO2 system\u003c\/strong\u003e — built to the 4\/6 mm tubing used throughout Aqua Medic's CO2 range, including their regulators, hose and reactors.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eCO2 bubble counter with integrated check valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstallation\u003c\/th\u003e\n\u003ctd\u003eInline, between regulator and reactor\/diffuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTubing\u003c\/th\u003e\n\u003ctd\u003eAqua Medic 4\/6 mm CO2 tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCheck valve\u003c\/th\u003e\n\u003ctd\u003eBuilt in — prevents backflow toward the regulator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e planted freshwater tanks and any CO2-dosed system running Aqua Medic's regulator, hose and reactor line, where you want a visual check on dosing rate plus backflow protection in one part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e replacing a dedicated CO2 solenoid or regulator — it's a monitoring and safety accessory, not a control device, and it doesn't regulate pressure or flow on its own.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eThe check valve is there to protect your regulator, not just your CO2 line. If system pressure drops — a nearly empty cylinder, a knocked hose, a closed valve — tank water can siphon backward through unprotected tubing and reach the regulator, where it causes corrosion that isn't always obvious until the regulator fails. Running a check valve inline, as this bubble counter does, is standard practice on any pressurised CO2 setup.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck the counter periodically for any water intrusion on the reactor side of the check valve — a small amount is normal, a rising level over time is not.\u003c\/li\u003e\n\u003cli\u003eKeep the hose connections firm; a loose fitting defeats the point of having a check valve at all.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/aqua-medic-regular-co2-regulator\"\u003eAqua Medic Regular CO2 Regulator\u003c\/a\u003e — the regulator this bubble counter is built to pair with.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/aqua-medic-silicone-co2-hose-4-6mm-5mtr-pack\"\u003eAqua Medic Silicone CO2 Hose 4\/6mm\u003c\/a\u003e — matching tubing for the full run.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/aqua-medic-co2-reactor-compact-diffuser\"\u003eAqua Medic CO2 Reactor Compact Diffuser\u003c\/a\u003e — where the CO2 dissolves into the water after the bubble counter.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/aqua-medic-non-return-valve-4-6mm-2-pcs\"\u003eAqua Medic Non Return Valve 4\/6mm\u003c\/a\u003e — extra backflow protection for longer or more complex CO2 runs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by Aqua Medic's standard manufacturer warranty against defects, in addition to your rights under Australian Consumer Law. Ships as a standard parcel.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDo I still need a separate check valve if I'm using this bubble counter?\u003c\/h4\u003e\u003cp\u003eThe check valve built into this bubble counter covers that section of the line. On longer runs, or as extra insurance closer to the regulator, many keepers add a second check valve — it's cheap protection for an expensive regulator.\u003c\/p\u003e\u003ch4\u003eWhere does it go in my CO2 line?\u003c\/h4\u003e\u003cp\u003eInline between the regulator (or solenoid, if fitted) and the reactor or diffuser, oriented so you can see the bubbles and in the direction the check valve is designed to block backflow.\u003c\/p\u003e\u003ch4\u003eWhat size tubing does it use?\u003c\/h4\u003e\u003cp\u003eIt's built for Aqua Medic's 4\/6 mm CO2 tubing, the same size used across their regulators, hose and reactors.\u003c\/p\u003e\u003ch4\u003eDoes it work with non-Aqua Medic CO2 systems?\u003c\/h4\u003e\u003cp\u003eIt's sized for 4\/6 mm tubing, which is common across the hobby, but check your existing fittings before mixing brands on one CO2 line.\u003c\/p\u003e","brand":"Aqua Medic","offers":[{"title":"Default Title","offer_id":55285029896483,"sku":"AB71850","price":50.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/aqua-medic-co2-bubble-counte-43507416170787.webp?v=1790234313"},{"product_id":"aqua-medic-regulation-valve","title":"Aqua Medic Regulation Valve - For air \u0026 water","description":"\u003cp\u003e\u003cstrong\u003eFine-tune flow without swapping fittings.\u003c\/strong\u003e The Aqua Medic Regulation Valve is an adjustable inline valve for aquarium tubing, rated for both air and water, so the same fitting works whether you're trimming an airline to a reactor or throttling a drip line. It's sold as a pack of two, in four sizes to match tubing from 4mm up to 22mm.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir and water rated\u003c\/strong\u003e — one valve design works on airline tubing and on water lines, so you don't need to stock two different parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour tubing sizes\u003c\/strong\u003e — 4-6mm, 12-14mm, 16-18mm and 20-22mm, covering everything from small airline to larger drain and supply tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack of two\u003c\/strong\u003e — enough for a supply and return line, or two separate flow points, from one purchase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable plastic construction\u003c\/strong\u003e — built for long-term use inline on a running system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eTubing fit\u003c\/th\u003e\n\u003cth\u003ePack quantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmall\u003c\/td\u003e\n\u003ctd\u003e4-6mm\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003e12-14mm\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLarge\u003c\/td\u003e\n\u003ctd\u003e16-18mm\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtra large\u003c\/td\u003e\n\u003ctd\u003e20-22mm\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e fine flow adjustment on airline to skimmers, reactors and air stones, and on water lines such as drip acclimation or dosing top-off tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e use as a primary shut-off on pressurised plumbing — it's a flow-trimming valve, not a full isolation valve rated for high pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhich size do I need?\u003c\/h3\u003e\n\u003cp\u003eMeasure the outside or inside diameter of the tubing you're fitting it to and match it against the size range above — a valve that's too loose won't seal, and one that's too tight can crack the tubing as you push it on.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered by the manufacturer's warranty in addition to your rights under the Australian Consumer Law. Standard delivery — a small, lightweight accessory item.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eCan I use this on my CO2 line?\u003c\/h4\u003e\n\u003cp\u003eIt's rated for general air and water flow rather than pressurised gas systems — for CO2, use a dedicated needle valve designed for that pressure range.\u003c\/p\u003e\n\u003ch4\u003eDoes it fully shut off flow?\u003c\/h4\u003e\n\u003cp\u003eIt's designed to trim and adjust flow rate rather than provide a hard seal — for a complete shut-off, pair it with a dedicated isolation valve.\u003c\/p\u003e\n\u003ch4\u003eWhich size fits standard airline tubing?\u003c\/h4\u003e\n\u003cp\u003eMost standard 4mm aquarium airline fits the 4-6mm size — check your tubing's outside diameter if you're unsure.\u003c\/p\u003e","brand":"Aqua Medic","offers":[{"title":"4-6mm (2pcs)","offer_id":55285033763107,"sku":"AM41140","price":16.95,"currency_code":"AUD","in_stock":false},{"title":"12-14mm (2pcs)","offer_id":55335402078499,"sku":"AM41142","price":23.95,"currency_code":"AUD","in_stock":false},{"title":"16-18mm (2pcs)","offer_id":55335402111267,"sku":"AM41143","price":26.95,"currency_code":"AUD","in_stock":false},{"title":"20-22mm (2pcs)","offer_id":55335402144035,"sku":"AM41144","price":29.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/aqua-medic-regulation-valve-43507416727843.webp?v=1790234312"},{"product_id":"bioscape-co2-solenoid-bubble-counter-set","title":"Bioscape CO2 Solenoid\/Bubble Counter Set","description":"\u003cp\u003e\u003cstrong\u003eAutomate CO2 injection and watch it work, in one low-voltage set.\u003c\/strong\u003e The Bioscape CO2 Solenoid\/Bubble Counter Set adds an electronic on\/off valve and a built-in bubble counter to a Bioscape CO2 Reactor system, so CO2 only flows when your lights are on and you can see exactly how fast it's dosing.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V solenoid valve\u003c\/strong\u003e — runs on safe low-voltage power rather than mains voltage at the valve itself.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWires to a light timer\u003c\/strong\u003e — the solenoid switches the CO2 supply off overnight with your lighting, so you're not dosing gas into a dark, non-photosynthesising tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in bubble counter\u003c\/strong\u003e — lets you see and count bubbles per second, so you can set and check your CO2 rate at a glance instead of guessing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicator light\u003c\/strong\u003e — shows at a glance whether the solenoid is open and CO2 is flowing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eARI10B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e7932797007333\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSolenoid voltage\u003c\/th\u003e\n\u003ctd\u003e12V (low voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDesigned for\u003c\/th\u003e\n\u003ctd\u003eBioscape CO2 Reactor system (ARI10\/ARI11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eBioscape has not published a wattage figure, thread\/fitting size or a separate pressure rating for the solenoid and bubble counter themselves. The Bioscape CO2 Reactor system this set is built for runs at 10–20 kg\/cm² internally, per Bioscape's own manual — that figure describes the reactor, not a rating we can confirm for this valve.\u003c\/p\u003e\u003ch3\u003eSetup, use, dosing or feeding\u003c\/h3\u003e\u003cp\u003eFit the bubble counter in line between the reactor and your diffuser, and top it up with water so bubbles are visible as they pass through. Wire the solenoid into a power outlet controlled by your aquarium light timer so CO2 injection tracks your photoperiod automatically.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e automating and monitoring CO2 flow on a Bioscape CO2 Reactor system for planted freshwater aquariums.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e mains-voltage wiring work — always plug the solenoid into a standard outlet or timer rather than hard-wiring it, and don't force the valve open or closed by hand.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eBioscape's manual describes the solenoid valve as a delicate instrument that can be damaged if forced or handled roughly. Handle it gently and let the timer, not manual force, do the switching.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eKeep the bubble counter's water topped up so bubbles stay visible, and check the indicator light periodically to confirm the solenoid is opening on schedule.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eAny fault on arrival is covered under your consumer guarantee rights under Australian Consumer Law. Ships as a small parcel.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDoes this fit any CO2 system, or only Bioscape's?\u003c\/h4\u003e\u003cp\u003eIt's built for the Bioscape CO2 Reactor system (ARI10\/ARI11). We can't confirm fitment to other brands' reactors or regulators.\u003c\/p\u003e\u003ch4\u003eIs 12V safe to wire myself?\u003c\/h4\u003e\u003cp\u003eThe solenoid itself runs on 12V low-voltage power. It still plugs into a standard powerpoint or timer to be powered — if you're not comfortable with that wiring, ask an electrician or your local Bioscape stockist.\u003c\/p\u003e\u003ch4\u003eDo I need the solenoid, or is the bubble counter enough on its own?\u003c\/h4\u003e\u003cp\u003eThe bubble counter alone lets you see your CO2 rate but won't turn gas off overnight. The solenoid is what stops CO2 flowing when your lights and timer switch off.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55293047210275,"sku":"ARI10B","price":74.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-co2-solenoid-bubble-43179083202851.webp?v=1790233227"},{"product_id":"bioscape-in-line-co2-reactor-16mm","title":"Bioscape in line CO2 Reactor 16mm","description":"\u003cp\u003e\u003cstrong\u003eThis in-line reactor dissolves CO2 into your canister filter's return flow without an extra diffuser cluttering the tank.\u003c\/strong\u003e It plumbs directly into the outlet hose between the filter and the aquarium, breaking injected CO2 into fine bubbles against a ceramic core so it dissolves into the water on its way back to the tank.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNothing in the tank\u003c\/strong\u003e — the reactor sits in the hose line outside the aquarium, so there's no diffuser, bell or ceramic disc visible inside the display.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic atomiser core\u003c\/strong\u003e — micro-bubbles CO2 against a replaceable ceramic disc for efficient dissolution, rather than relying on a single large bubble breaking up on its own.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded hose lock rings\u003c\/strong\u003e — secures onto the tubing with compression-style lock rings rather than a plain push-fit, reducing the chance of a slow leak developing at the joint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable\u003c\/strong\u003e — the ceramic core is a separate replaceable part, so a clogged or worn core doesn't mean replacing the whole reactor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eHose fitting\u003c\/th\u003e\n\u003cth\u003eDiffusion method\u003c\/th\u003e\n\u003cth\u003eInstallation point\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e16\/22mm (threaded lock rings)\u003c\/td\u003e\n\u003ctd\u003eReplaceable ceramic atomiser core\u003c\/td\u003e\n\u003ctd\u003eIn-line on the canister filter's outlet hose, between the filter and the tank return\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWill it fit my setup?\u003c\/h3\u003e\u003cp\u003eThis reactor is built for 16\/22mm canister filter tubing — check your filter's hose diameter before ordering, as Bioscape's smaller canister filters and some competitor filters use a narrower 12mm hose that this unit isn't sized for. It installs on the outlet side, after the filter and before the water returns to the tank.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for planted tanks running CO2 through a canister filter with 16\/22mm hose, where keeping the display free of in-tank diffusers matters. Not suitable for tanks without a canister filter, or for filters running smaller 12mm hose — an in-tank diffuser is the better fit there.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eBioscape sells the ceramic atomiser core as a separate replacement part for when CO2 mist visibly coarsens or the core clogs with biofilm. Because the reactor lives inside the hose line, check it during routine filter maintenance rather than waiting for a visible problem.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law. Ships by standard parcel post.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDoes this go before or after the filter?\u003c\/h4\u003e\u003cp\u003eAfter — it installs on the outlet hose, between the canister filter and the point the water returns to the tank.\u003c\/p\u003e\u003ch4\u003eWill I still see bubbles in the tank?\u003c\/h4\u003e\u003cp\u003eNo. Diffusion happens inside the reactor in the hose line, so the display stays free of visible bubbles or an in-tank diffuser.\u003c\/p\u003e\u003ch4\u003eWhat do I do if the CO2 mist looks coarser than it used to?\u003c\/h4\u003e\u003cp\u003eThat's the usual sign the ceramic atomiser core has clogged with biofilm. Bioscape sells the core as a separate replacement part rather than requiring a whole new reactor.\u003c\/p\u003e\u003ch4\u003eDoes it need priming before use?\u003c\/h4\u003e\u003cp\u003eNo priming steps are published for this unit — normal filter start-up (bleeding air from the hose line) is sufficient.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55293047603491,"sku":"ARI33","price":80.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-in-line-co2-reactor-43179083596067.webp?v=1790233227"},{"product_id":"bioscape-limewood-airstone-carded","title":"Bioscape Limewood Airstone Carded","description":"\u003cp\u003e\u003cstrong\u003eExtra-fine bubbles from a block of wood, not a moulded diffuser.\u003c\/strong\u003e Bioscape's Limewood Airstone is a small block of porous limewood that breaks airline output into a fine mist of bubbles — a simple upgrade over a standard plastic airstone, and a common swap-in for the airstone inside a protein skimmer.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine bubble output\u003c\/strong\u003e — the porous wood grain produces noticeably finer bubbles than a moulded plastic or ceramic airstone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkimmer-grade replacement\u003c\/strong\u003e — a common substitute for the factory airstone inside a protein skimmer, where finer bubbles mean more surface area for the skim.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact\u003c\/strong\u003e — a 5 cm block on a 2 cm square cross-section, small enough for nano tanks and tight skimmer bodies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle carded unit\u003c\/strong\u003e — sold on its own card, ready to attach to airline.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eCross-section\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e5 cm\u003c\/td\u003e\n\u003ctd\u003e2 x 2 cm\u003c\/td\u003e\n\u003ctd\u003eLimewood\u003c\/td\u003e\n\u003ctd\u003e1 on card\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat you'll still need\u003c\/h3\u003e\u003cp\u003eThis is the airstone only — you'll need an air pump and airline tubing to run it, and a check valve if it's mounted below the waterline.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for freshwater and marine tanks needing extra-fine aeration, and as a direct swap into most protein skimmers. Not a filtration or biological media product — it aerates and diffuses air, nothing more.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eWood airstones lose fineness as the pores clog with biofilm and mineral deposits — bubbles noticeably coarsen or airflow drops as this happens. Bioscape doesn't publish a fixed replacement interval; treat coarsening bubbles or a drop in flow as the sign it's due for swapping, rather than working to a calendar date.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law. Ships as a small carded item by standard parcel post.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eHow long does a limewood airstone last?\u003c\/h4\u003e\u003cp\u003eBioscape doesn't publish a specific interval — it depends on bioload and how much biofilm builds up in the pores. Coarser bubbles or reduced flow is the practical sign it needs replacing.\u003c\/p\u003e\u003ch4\u003eWill this work in my protein skimmer?\u003c\/h4\u003e\u003cp\u003eIt's commonly used as a skimmer airstone replacement, but check your skimmer's airstone housing size against the 5 cm x 2 cm block before ordering.\u003c\/p\u003e\u003ch4\u003eDoes it need soaking before use?\u003c\/h4\u003e\u003cp\u003eBioscape doesn't publish a soak step for this product — rinse before use and it's ready to attach to airline.\u003c\/p\u003e\u003ch4\u003eCan I use it in a freshwater tank as well as marine?\u003c\/h4\u003e\u003cp\u003eYes — it's sold as a general aeration airstone suited to both freshwater and marine setups.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55293049143587,"sku":"BIS111","price":5.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-limewood-airstone-c-43876861804835.webp?v=1790240037"},{"product_id":"bioscape-led-bubble-ring-multi-changing-colours","title":"Bioscape LED Bubble Ring Multi Changing Colours","description":"\u003cp\u003e\u003cstrong\u003eTurns a plain airstone into a colour-changing light show without adding a second cable.\u003c\/strong\u003e The Bioscape LED Bubble Ring is a submersible ring that lights up in six colours as an external air pump pushes bubbles through it, doubling as aeration and a display feature.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix-colour LED cycle\u003c\/strong\u003e — cycles through six LED colours automatically while the air is running.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAeration and light in one fitting\u003c\/strong\u003e — bubbles rising through the ring break the surface and add movement, while the ring lights the bubble column from below.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmersible construction\u003c\/strong\u003e — designed to sit underwater, sealed against the aquarium environment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eColours\u003c\/th\u003e\n\u003cth\u003eInstallation\u003c\/th\u003e\n\u003cth\u003ePower source\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e6 LED colours (auto-cycling)\u003c\/td\u003e\n\u003ctd\u003eSubmersible, connects to airline tubing\u003c\/td\u003e\n\u003ctd\u003eNot published by Bioscape — check the packaging\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's included \/ Not included\u003c\/h3\u003e\u003cp\u003eIncludes the LED bubble ring only. An air pump, air tubing and a check valve are required to push bubbles through the ring and are not included — Bioscape specifies these must be sourced separately.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for freshwater and marine aquariums where extra surface agitation and a colour display are wanted alongside aeration. Not a substitute for a dedicated air pump — this ring only lights and shapes bubbles that an external pump supplies. Not intended to be run dry, out of water.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eRinse periodically to prevent algae or mineral buildup blocking the bubble holes, which will make the airflow uneven.\u003c\/p\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eThis is a submersible, low-voltage aquarium light. Bioscape hasn't published the ring's voltage or wattage; check the packaging for AU electrical compliance details, and always fit a check valve in the airline to stop water siphoning back into the air pump.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDoes this come with an air pump?\u003c\/h4\u003e\u003cp\u003eNo. You'll need an air pump, airline tubing and a check valve — Bioscape sells the ring on its own and lists these as required but not included.\u003c\/p\u003e\u003ch4\u003eDoes it work in a marine tank?\u003c\/h4\u003e\u003cp\u003eYes, it's suited to both freshwater and marine aquariums.\u003c\/p\u003e\u003ch4\u003eWhat stops water siphoning back into my air pump?\u003c\/h4\u003e\u003cp\u003eA check valve fitted in the airline — it's not included with the ring, so add one when you buy your air pump and tubing.\u003c\/p\u003e\u003ch4\u003eDo the colours cycle automatically or can I choose one?\u003c\/h4\u003e\u003cp\u003eThe ring cycles automatically through six LED colours; Bioscape hasn't published a way to lock it to a single colour.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55293049274659,"sku":"BIS118","price":36.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-led-bubble-ring-mul-43179087593763.webp?v=1790233448"},{"product_id":"bioscape-airline-control-valve-set-2-pack-extendable","title":"Bioscape Airline Control Valve Set 2 Pack Extendable","description":"\u003cp\u003e\u003cstrong\u003eDial airflow down without touching the pump.\u003c\/strong\u003e This two-pack of Bioscape airline control valves fits inline on standard aquarium airline and lets you throttle back the air reaching an airstone or ornament — useful when a pump is putting out more bubble than a tank, or a housemate, wants to hear.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline flow control\u003c\/strong\u003e — turn the dial to reduce airflow to a single outlet, independent of the pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtendable design\u003c\/strong\u003e — built to sit between two lengths of airline rather than needing the line cut to a fixed point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlastic construction\u003c\/strong\u003e — lightweight and corrosion-proof around aquarium water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-pack\u003c\/strong\u003e — enough to tune two outlets from one twin-outlet pump.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003ctd\u003e2 valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eExtendable inline airflow control valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitting\u003c\/th\u003e\n\u003ctd\u003eStandard aquarium airline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e dialling back airflow to an airstone, sponge filter or bubbling ornament on standard airline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e stopping backflow into the pump — this valve controls flow, it doesn't act as a one-way check valve. Fit a Bioscape check valve as well if the pump sits at or below the waterline.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTurn the dial through its full range occasionally so it doesn't seize in one position from mineral build-up.\u003c\/li\u003e\n\u003cli\u003eClosing a valve fully increases back-pressure on the pump — back it off slightly rather than shutting it hard against a running pump for long periods.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-airline-check-valves-2-pack\"\u003eBioscape Airline Check Valves 2 Pack\u003c\/a\u003e — pair with this valve for backflow protection as well as flow control.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-air-pump-1000\"\u003eBioscape Air Pump 1000\u003c\/a\u003e — a single-outlet pump this valve can help tune down.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/bioscape-bioscape-airline-roll-100-metres\"\u003eBioscape Airline Tubing 100 m Roll\u003c\/a\u003e — bulk airline to extend either side of the valve.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by the standard Bioscape supplier warranty against manufacturing defects, in addition to the consumer guarantees you're entitled to under Australian Consumer Law. Ships as a small, light parcel with standard delivery.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWhat's the difference between this and a check valve?\u003c\/h4\u003e\u003cp\u003eA check valve only stops backflow into the pump; it doesn't change how much air comes through. This control valve does the opposite — it throttles airflow but gives no backflow protection. Many setups use both.\u003c\/p\u003e\u003ch4\u003eWill this reduce noise from bubbling?\u003c\/h4\u003e\u003cp\u003eYes — dialling back the flow to an airstone is one of the simplest ways to quieten a tank that's bubbling harder than you'd like.\u003c\/p\u003e\u003ch4\u003eCan I use one valve to split air to two outlets?\u003c\/h4\u003e\u003cp\u003eNo, this is a single-line flow control, not a splitter. Each outlet needs its own inline valve.\u003c\/p\u003e\u003ch4\u003eDoes closing the valve fully damage the pump?\u003c\/h4\u003e\u003cp\u003eRunning a diaphragm pump fully closed for long periods adds back-pressure it isn't designed for — back the valve off slightly rather than shutting it hard.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55293049405731,"sku":"BIS123","price":3.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-airline-control-val-43876862099747.webp?v=1790240035"},{"product_id":"bioscape-co2-diffuser","title":"Bioscape CO2 Diffuser","description":"\u003cp\u003e\u003cstrong\u003eTurns raw CO2 into a fine, plant-usable mist.\u003c\/strong\u003e The Bioscape CO2 Diffuser is a stainless steel diffuser fitted with a removable sintered glass disc, built to break CO2 gas into bubbles fine enough to dissolve into the water column instead of rising straight to the surface and venting off. It connects to any CO2-producing device, and suits both the Bioscape CO2 Reactor with On\/Off Valve (ARI10) and the CO2 Reactor with Solenoid and Diffuser (ARI11) — though the ARI11 already ships with one.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSintered glass diffuser disc\u003c\/strong\u003e — breaks CO2 into fine bubbles that have time to dissolve before reaching the surface, rather than large bubbles that pop and escape to the air.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel body\u003c\/strong\u003e — resists corrosion in the humid, splash-prone environment around a planted tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc removes for cleaning\u003c\/strong\u003e — take it out when bubbles start looking coarser than usual, which is the first sign the sinter is clogging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with any CO2 source\u003c\/strong\u003e — not locked to Bioscape's own reactors; connects to any CO2-producing device with compatible tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFills the gap for On\/Off Valve owners\u003c\/strong\u003e — Bioscape's Reactor with Solenoid and Diffuser (ARI11) already includes a diffuser; this unit is for On\/Off Valve (ARI10) owners, or as a spare for either model.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eBIS15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e9327975043148\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody material\u003c\/th\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiffuser element\u003c\/th\u003e\n\u003ctd\u003eSintered glass disc, removable for cleaning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003ctd\u003eAny CO2-producing device with compatible tubing, including Bioscape ARI10 and ARI11 reactors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eBioscape has not published a fitting or thread size for the tubing connection, or a rated bubble-per-minute output — check tubing diameter against your existing setup before ordering if you're not running a Bioscape reactor.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e freshwater and marine planted systems already running a CO2 source — a reagent reactor, a pressurised cylinder, or any other CO2-producing device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e tanks with no CO2 supply of their own — this is a diffuser, not a CO2 source, and does nothing on its own.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eThe sintered glass disc is removable, so it can be taken out and inspected when bubble size gets noticeably coarser or flow seems to drop. Bioscape has not published a specific cleaning method beyond the disc being removable.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by your consumer guarantee rights under Australian Consumer Law if it arrives faulty. Ships as a small parcel.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eDoes this include a CO2 source?\u003c\/h4\u003e\u003cp\u003eNo. It's a diffuser only, and needs to be connected to a reactor like the Bioscape ARI10 or ARI11, or another CO2-producing device.\u003c\/p\u003e\u003ch4\u003eDo I need this if I already have the ARI11 reactor?\u003c\/h4\u003e\u003cp\u003eNo. The ARI11 ships with its own diffuser included. This is for ARI10 (on\/off valve) owners, or as a spare for either reactor.\u003c\/p\u003e\u003ch4\u003eWill it work with a pressurised CO2 cylinder system, not just Bioscape's reagent reactors?\u003c\/h4\u003e\u003cp\u003eYes. It connects to any CO2-producing device with compatible tubing, not only Bioscape's own units.\u003c\/p\u003e\u003ch4\u003eHow do I know when it needs cleaning?\u003c\/h4\u003e\u003cp\u003eWhen the bubbles it produces look noticeably coarser than when it was new, or flow through it seems to have dropped.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55293052158243,"sku":"BIS15","price":50.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-co2-diffuser-43179130126627.webp?v=1790233448"},{"product_id":"bioscape-heavy-duty-pond-air-pump-4200lph-with-14-outlets","title":"Bioscape Heavy Duty Pond Air Pump 4200lph with 14 Outlets","description":"\u003cp\u003e\u003cstrong\u003eOxygen for the whole pond, not just the surface.\u003c\/strong\u003e The Bioscape Heavy Duty Pond Air Pump (BIS650) is a 50W dual-diaphragm air pump rated at 70 L\/min (4,200 L\/h) of air output, feeding a 14-outlet manifold so you can run airstones and diffusers across a pond up to roughly 8,400 litres from one unit. It suits ponds, large aquariums and aquaculture setups that need aeration spread over several points rather than a single stone.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e70 L\/min air output\u003c\/strong\u003e — rated 4,200 L\/h, enough to aerate ponds up to approximately 8,400 litres.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e14-outlet manifold\u003c\/strong\u003e — run up to 14 airstones or diffusers from one pump, spread across a large pond or multiple tanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-chamber, oil-free diaphragm design\u003c\/strong\u003e — no oil to contaminate the airline, and two chambers smooth out the pulse you get from a single-diaphragm pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual air filtration\u003c\/strong\u003e — filters intake air before it reaches the diaphragms, extending pump life in dusty pond-shed installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManifold, clamps and adapter included\u003c\/strong\u003e — the 14-outlet manifold, stainless steel\/spring hose clamps and a manifold adapter are in the box, so you're not sourcing fittings separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eBIS650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir output\u003c\/th\u003e\n\u003ctd\u003e70 L\/min (4,200 L\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutlets\u003c\/th\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated for ponds up to\u003c\/th\u003e\n\u003ctd\u003e~8,400 litres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e50W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking pressure\u003c\/th\u003e\n\u003ctd\u003e0.037 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e220–240V \/ 50Hz, AU plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable length\u003c\/th\u003e\n\u003ctd\u003e1.8m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e262 x 202 x 227mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDesign\u003c\/th\u003e\n\u003ctd\u003eDual-chamber, oil-free diaphragm, dual air filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eBioscape's specification sheet doesn't publish a quantitative air-output-vs-depth chart for this pump, a unit weight, a dB noise rating or a stated AU warranty term — see the common questions below for what we can tell you instead.\u003c\/p\u003e\n\u003ch3\u003eWhich Bioscape pond air pump do I need?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eBIS650 – 4,200 L\/h\u003c\/th\u003e\n\u003cth\u003eBIS651 – 8,400 L\/h\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir output\u003c\/th\u003e\n\u003ctd\u003e70 L\/min (4,200 L\/h)\u003c\/td\u003e\n\u003ctd\u003e140 L\/min (8,400 L\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutlets\u003c\/th\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated for ponds up to\u003c\/th\u003e\n\u003ctd\u003e~8,400 L\u003c\/td\u003e\n\u003ctd\u003e~16,800 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e50W\u003c\/td\u003e\n\u003ctd\u003e100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003ctd\u003eSmall to mid-size ponds, or a handful of aeration points\u003c\/td\u003e\n\u003ctd\u003eLarger ponds, or many airstones\/diffusers spread across a big system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eBoth share the same dual-chamber, oil-free design and 1.8m cord — the difference is scale. If you're feeding more than a handful of outlets, or a pond over roughly 8,000 litres, the BIS651 has the headroom; for a smaller pond or a modest number of diffusers, the BIS650 is the lighter, cheaper option and won't be running at a fraction of its rated capacity the way an oversized pump would.\u003c\/p\u003e\n\u003ch3\u003ePerformance\u003c\/h3\u003e\n\u003cp\u003eAir output drops as back-pressure rises — a pump feeding deep diffusers or a long, narrow airline works harder and delivers less air than the same pump feeding a shallow, wide-open outlet. Bioscape's guidance is to use wide-bore airline tubing, keep air stones clean, and position diffusers at shallow-to-medium pond depths — around 4–5 metres or less — rather than deep water, where the extra back-pressure will noticeably cut the air actually delivered. Bioscape hasn't published a quantitative output-versus-depth table for this model, so treat 4,200 L\/h as the pump's rated free-air output, not a guaranteed delivery figure once its outlets are loaded up with airline and diffusers.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBioscape Heavy Duty Pond Air Pump (BIS650)\u003c\/li\u003e\n\u003cli\u003e14-outlet manifold\u003c\/li\u003e\n\u003cli\u003eStainless steel \/ spring hose clamps\u003c\/li\u003e\n\u003cli\u003eManifold adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAirline tubing, air stones\/diffusers and check valves are not included and are sold separately.\u003c\/p\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e outdoor ponds up to roughly 8,400 litres, large freshwater aquariums, aquaculture and holding systems needing aeration spread across multiple points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e submersion — this is a surface-mounted air pump, not a submersible unit — or as the sole aeration on ponds noticeably larger than its rating, where the BIS651 or a second pump is the better fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eRated 220–240V \/ 50Hz for the Australian mains supply and fitted with an AU plug. Mount it above the waterline in a dry, ventilated position — it's a surface air pump, not a submersible one — and run the airline down to your diffusers rather than the pump itself. Keep it protected from flooding in heavy rain.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered against manufacturing defects on arrival, in addition to your rights under Australian Consumer Law. Bioscape's AU site doesn't publish a specific warranty term for this model — contact us if you'd like that confirmed before you buy. Standard parcel delivery applies.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eHow many airstones can I run off this pump?\u003c\/h4\u003e\n\u003cp\u003eUp to 14, one per outlet on the included manifold — though running fewer, larger stones, or fewer outlets with longer airline, will generally give stronger flow per stone than running all 14 at once.\u003c\/p\u003e\n\u003ch4\u003eIs this pump submersible?\u003c\/h4\u003e\n\u003cp\u003eNo. It's a surface-mounted air pump — install it above the waterline in a dry, ventilated spot and run airline tubing down to your diffusers.\u003c\/p\u003e\n\u003ch4\u003eWhat size pond is this rated for?\u003c\/h4\u003e\n\u003cp\u003eBioscape rates it for ponds up to approximately 8,400 litres. For anything larger, or if you're running airstones deep or through a lot of airline, the BIS651 (8,400 L\/h, 33 outlets) has more headroom.\u003c\/p\u003e\n\u003ch4\u003eDoes it come with airline or air stones?\u003c\/h4\u003e\n\u003cp\u003eNo — the manifold, hose clamps and manifold adapter are included, but airline tubing and air stones\/diffusers are sold separately.\u003c\/p\u003e\n\u003ch4\u003eWhat's the warranty on this pump?\u003c\/h4\u003e\n\u003cp\u003eBioscape's AU site doesn't publish a specific term for this model; it's covered against manufacturing defects in addition to your Australian Consumer Law rights. Contact us if you need the exact term confirmed before ordering.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55293069197603,"sku":"BIS650","price":343.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-heavy-duty-pond-air-43179173249315.webp?v=1790234718"},{"product_id":"bioscape-heavy-duty-pond-air-pump-8400lph-with-33-outlets","title":"Bioscape Heavy Duty Pond Air Pump 8400lph with 33 Outlets","description":"\u003cp\u003e\u003cstrong\u003eThe step-up pump for bigger ponds and busy manifolds.\u003c\/strong\u003e The Bioscape Heavy Duty Pond Air Pump (BIS651) is a 100W dual-diaphragm air pump rated at 140 L\/min (8,400 L\/h), feeding a 33-outlet manifold so you can aerate a pond up to roughly 16,800 litres, or spread air across dozens of stones and diffusers, from a single unit. It's the pump to reach for once a 14-outlet pump would be running flat out.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e140 L\/min air output\u003c\/strong\u003e — rated 8,400 L\/h, double the BIS650's output, for ponds up to approximately 16,800 litres.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e33-outlet manifold\u003c\/strong\u003e — enough outlets to run a large pond's worth of airstones and diffusers, or aerate several holding tanks, from one pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-chamber, oil-free diaphragm design\u003c\/strong\u003e — no oil in the airline, and two chambers smooth the pulse compared with a single-diaphragm pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual air filtration\u003c\/strong\u003e — filters intake air before the diaphragms, which matters more at this duty cycle than it does on a smaller pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManifold, clamps and adapter included\u003c\/strong\u003e — the 33-outlet manifold, stainless steel\/spring hose clamps and manifold adapter are in the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eBIS651\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir output\u003c\/th\u003e\n\u003ctd\u003e140 L\/min (8,400 L\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutlets\u003c\/th\u003e\n\u003ctd\u003e33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated for ponds up to\u003c\/th\u003e\n\u003ctd\u003e~16,800 litres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWorking pressure\u003c\/th\u003e\n\u003ctd\u003e0.042 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e220–240V \/ 50Hz, AU plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable length\u003c\/th\u003e\n\u003ctd\u003e1.8m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e283 x 200 x 227mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDesign\u003c\/th\u003e\n\u003ctd\u003eDual-chamber, oil-free diaphragm, dual air filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAs with the smaller BIS650, Bioscape doesn't publish a quantitative air-output-vs-depth chart, unit weight, dB noise figure or a stated AU warranty term for this pump.\u003c\/p\u003e\n\u003ch3\u003eWhich Bioscape pond air pump do I need?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eBIS650 – 4,200 L\/h\u003c\/th\u003e\n\u003cth\u003eBIS651 – 8,400 L\/h\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir output\u003c\/th\u003e\n\u003ctd\u003e70 L\/min (4,200 L\/h)\u003c\/td\u003e\n\u003ctd\u003e140 L\/min (8,400 L\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutlets\u003c\/th\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated for ponds up to\u003c\/th\u003e\n\u003ctd\u003e~8,400 L\u003c\/td\u003e\n\u003ctd\u003e~16,800 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e50W\u003c\/td\u003e\n\u003ctd\u003e100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003ctd\u003eSmall to mid-size ponds, or a handful of aeration points\u003c\/td\u003e\n\u003ctd\u003eLarger ponds, or many airstones\/diffusers spread across a big system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe BIS650 and BIS651 share the same build and the same 1.8m cord — the difference is scale. If your outlet count is climbing past what a 14-outlet manifold can comfortably feed, or your pond is pushing past roughly 8,000 litres, the BIS651's extra 50W and 19 extra outlets give you the headroom without running a second pump.\u003c\/p\u003e\n\u003ch3\u003ePerformance\u003c\/h3\u003e\n\u003cp\u003eAs with any air pump, output falls as back-pressure rises — depth, airline length and the number of outlets actually in use all add resistance the diaphragms have to push against. Bioscape's guidance for this range is to use wide-bore airline, keep stones clean, and keep diffusers at shallow-to-medium depths of around 4–5 metres or less; deeper placement will noticeably reduce delivered air below the 8,400 L\/h rated figure. No quantitative output-by-depth table is published for this model, so treat 8,400 L\/h as the pump's rated free-air output rather than a guaranteed per-outlet delivery once all 33 outlets are in use — spreading a heavy load across fewer, larger stones will generally outperform running every outlet at once.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBioscape Heavy Duty Pond Air Pump (BIS651)\u003c\/li\u003e\n\u003cli\u003e33-outlet manifold\u003c\/li\u003e\n\u003cli\u003eStainless steel \/ spring hose clamps\u003c\/li\u003e\n\u003cli\u003eManifold adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAirline tubing, air stones\/diffusers and check valves are sold separately.\u003c\/p\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e larger outdoor ponds up to roughly 16,800 litres, multi-tank aquaculture or holding setups, and any system where a 14-outlet pump would be maxed out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e submersion — it's a surface-mounted unit — or small ponds and single-airstone setups, where the smaller BIS650 does the job for less outlay and less running cost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eRated 220–240V \/ 50Hz with an AU plug. Site it above the waterline in a dry, ventilated position — this is a surface air pump, not a submersible one — and keep it protected from flooding in heavy rain, particularly given the larger 100W draw.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered against manufacturing defects on arrival, in addition to your rights under Australian Consumer Law. Bioscape's AU site doesn't publish a specific warranty term for this model — contact us to confirm before ordering. Standard parcel delivery applies.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat's the difference between this and the BIS650?\u003c\/h4\u003e\n\u003cp\u003eOutput and outlet count. The BIS651 delivers 8,400 L\/h through 33 outlets at 100W; the BIS650 delivers 4,200 L\/h through 14 outlets at 50W. Both share the same dual-chamber, oil-free design.\u003c\/p\u003e\n\u003ch4\u003eCan I run fewer than 33 airstones off it?\u003c\/h4\u003e\n\u003cp\u003eYes — you don't need to use every outlet. Running a partial load generally gives stronger flow per stone than loading all 33 at once.\u003c\/p\u003e\n\u003ch4\u003eIs it submersible?\u003c\/h4\u003e\n\u003cp\u003eNo. Mount it above the waterline in a dry, ventilated spot and run airline down to your diffusers.\u003c\/p\u003e\n\u003ch4\u003eWhat size pond is this rated for?\u003c\/h4\u003e\n\u003cp\u003eApproximately 16,800 litres, per Bioscape's specification.\u003c\/p\u003e\n\u003ch4\u003eDoes it come with air stones or airline?\u003c\/h4\u003e\n\u003cp\u003eNo — the 33-outlet manifold, hose clamps and manifold adapter are included; airline tubing and diffusers are sold separately.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55293069230371,"sku":"BIS651","price":458.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-heavy-duty-pond-air-43179173282083.webp?v=1790234718"},{"product_id":"bioscape-heavy-duty-pond-air-pump-15000lph-with-33-outlets","title":"Bioscape Heavy Duty Pond Air Pump 15000lph with 33 Outlets","description":"\u003cp\u003e\u003cstrong\u003eThe biggest of Bioscape's Heavy Duty pond air pumps, for large ponds and multi-tank setups.\u003c\/strong\u003e The Bioscape Heavy Duty Pond Air Pump 15000 is a diaphragm air pump (a flexing membrane inside moves the air) rated at 15,000 litres of air per hour, which is 250 litres a minute. It feeds a 33-outlet manifold, a bar of individual air taps, so one unit can run airstones right across a large pond or aerate a room of holding tanks.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e250 litres a minute of air\u003c\/strong\u003e, the highest output of the three pumps in the Bioscape Heavy Duty range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e33-outlet manifold\u003c\/strong\u003e, so dozens of stones or diffusers run from one pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-chamber, oil-free diaphragm design\u003c\/strong\u003e, with air filters on both the intake and the exhaust.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAir output: 15,000 litres per hour (250 litres per minute)\u003c\/li\u003e\n\u003cli\u003eOutlets: 33, via the manifold\u003c\/li\u003e\n\u003cli\u003ePower: 230 W\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 0.045 MPa (45 kPa), the back-pressure the pump can push air against\u003c\/li\u003e\n\u003cli\u003eSuggested pond size: up to 30,000 litres\u003c\/li\u003e\n\u003cli\u003ePower supply: 220 to 240 V, 50 Hz, with a 1.8 m cord\u003c\/li\u003e\n\u003cli\u003eDimensions: 285 x 202 x 237 mm\u003c\/li\u003e\n\u003cli\u003eInstallation: above the waterline, not submersible\u003c\/li\u003e\n\u003cli\u003eBioscape code: BIS652\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for large ponds up to 30,000 litres, aquaculture systems and multi-tank holding setups. Output falls as depth and airline length add back-pressure, so keep diffusers at shallow to medium depth. Not submersible, and more pump than a small pond needs; the smaller Heavy Duty models suit those.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eMains powered. Mount it in a dry, ventilated, sheltered spot above the water level where rain and flooding cannot reach it, run it from an RCD (safety switch) protected outlet, and fit check valves (one-way valves) in the airline so water cannot siphon back down into the pump.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered against manufacturing defects under Bioscape's warranty, in addition to your rights under Australian Consumer Law. Large item; freight is quoted and emailed to you, as set out in our Shipping Policy.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55293069918499,"sku":"BIS652","price":678.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-heavy-duty-pond-air-43179175182627.webp?v=1790234718"},{"product_id":"fluval-co2-bubble-counter","title":"Fluval CO2 Bubble Counter","description":"\u003cp\u003e\u003cstrong\u003eA drop-in bubble counter that lets you count and set your CO2 injection rate at a glance.\u003c\/strong\u003e Fitted between the regulator and diffuser on a Fluval pressurized CO2 kit, it gives you a clear view of each bubble so you can dial in a consistent dose for planted freshwater tanks.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual dosing check\u003c\/strong\u003e — count bubbles per second to confirm your CO2 rate without guesswork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Fluval's pressurized CO2 kits\u003c\/strong\u003e — a direct replacement or spare for the 45 g, 88 g and 95 g kits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelps protect cylinder life\u003c\/strong\u003e — dialling in a moderate, steady rate rather than overdosing extends how long a cylinder lasts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eItem number\u003c\/th\u003e\n\u003ctd\u003eCO204\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e015561175500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eFluval Pressurized CO2 Kit 45 g, 88 g and 95 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater, planted tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCompatibility, spares and supersession\u003c\/h3\u003e\u003cp\u003eThis bubble counter is designed as a spare or replacement part for Fluval's three pressurized CO2 kit sizes — 45 g, 88 g and 95 g. It is not designed for Fluval's low-pressure Bio CO2 systems, which use their own bubble counter.\u003c\/p\u003e\u003ch3\u003eSetup, use and dosing\u003c\/h3\u003e\u003cp\u003eFit the bubble counter in the CO2 line between the regulator and the diffuser so bubbles are visible as they pass through. As a starting point, Fluval recommends around one bubble every 2–4 seconds for a moderately planted tank, which is also the rate that gets the most life out of a cylinder — at that pace, a cylinder typically lasts around 2–3 weeks. Increase or reduce the rate to suit your plant mass and CO2 drop-checker readings.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cp\u003eClean periodically to keep bubble visibility clear. If you're running the diffuser this counter feeds, its ceramic disc has a working life of around 3–6 months and should be swapped when CO2 output visibly drops.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for\u003c\/strong\u003e freshwater planted tanks running a Fluval pressurized CO2 system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for\u003c\/strong\u003e Fluval's low-pressure Bio CO2 Pro systems, which use a different bubble counter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by Fluval's standard consumer warranty against manufacturing defects, in addition to your rights under Australian Consumer Law. Ships standard parcel delivery.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWill this fit my Fluval CO2 kit?\u003c\/h4\u003e\u003cp\u003eIt's designed for the 45 g, 88 g and 95 g Fluval Pressurized CO2 Kits. It isn't designed for the low-pressure Bio CO2 Pro range.\u003c\/p\u003e\u003ch4\u003eWhat bubble rate should I run?\u003c\/h4\u003e\u003cp\u003eAround one bubble every 2–4 seconds is a reasonable starting point for a moderately planted freshwater tank, adjusted against your plant growth and CO2 drop-checker.\u003c\/p\u003e\u003ch4\u003eDoes a faster bubble rate mean more CO2?\u003c\/h4\u003e\u003cp\u003eYes, and it also drains your cylinder faster — Fluval's recommended rate is chosen to balance plant growth against cylinder life.\u003c\/p\u003e","brand":"Fluval","offers":[{"title":"Default Title","offer_id":55293290053923,"sku":"CO204","price":12.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/fluval-co2-bubble-counter-43180020891939.webp?v=1790234935"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/collections\/SEA30_2_7e5ab6cf-319f-4278-b18b-b5c97180551d.png?v=1788252501","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/collections\/pumps-wavemakers-aeration.oembed?page=2","provider":"Nicks AOT","version":"1.0","type":"link"}