{"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\/ARI21_1.jpg?v=1782868898","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/bioscape-bioscape-co2-reagent-a-200gms","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}