{"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","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/bioscape-heavy-duty-pond-air-pump-4200lph-with-14-outlets","provider":"Nicks AOT","version":"1.0","type":"link"}