{"product_id":"api-pond-care-algaefix-473ml","title":"API Pond Care Algaefix 473ml","description":"\u003cp\u003e\u003cstrong\u003eClears green water, string algae and blanket weed without adding copper to the pond.\u003c\/strong\u003e API Pond AlgaeFix is an EPA-registered algaecide for ornamental ponds, killing algae on contact while leaving fish, plants and surrounding wildlife unharmed when dosed as directed. This 473 mL (16 fl oz) bottle is a concentrate — a single full-strength dose treats roughly 17,900 L of pond water.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper-free algaecide\u003c\/strong\u003e — controls green water, string algae and blanket weed without the copper risk that rules a product out for shrimp, snails and other invertebrates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPA-registered active constituent\u003c\/strong\u003e — poly[oxyethylene(dimethyliminio)ethylene(dimethyliminio)ethylene dichloride] at 4.50%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentrated dosing\u003c\/strong\u003e — 5 mL treats 190 L, so one 473 mL bottle covers roughly 17,900 L at a single full dose, at under 1c per litre of pond water treated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast acting\u003c\/strong\u003e — repeat dosing brings visible algae control within days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFish and plant safe when used as directed\u003c\/strong\u003e — not safe for freshwater crustaceans (see Suitable for, below).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eActive ingredient\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eActive constituent\u003c\/th\u003e\n\u003ctd\u003ePoly[oxyethylene(dimethyliminio)ethylene(dimethyliminio)ethylene dichloride]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eActive constituent, by weight\u003c\/th\u003e\n\u003ctd\u003e4.50%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOther ingredients\u003c\/th\u003e\n\u003ctd\u003e95.50%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eDeclared as registered on the product's EPA pesticide label. API does not publish a further breakdown of the \"other ingredients\" fraction.\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\u003eBottle size\u003c\/th\u003e\n\u003ctd\u003e473 mL (16 fl oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUse in\u003c\/th\u003e\n\u003ctd\u003eOrnamental ponds, water gardens, fountains\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard dose\u003c\/th\u003e\n\u003ctd\u003e5 mL per 190 L (50 US gal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLarge-pond dose\u003c\/th\u003e\n\u003ctd\u003e60 mL per 2,275 L (600 US gal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOne bottle treats (single full dose)\u003c\/th\u003e\n\u003ctd\u003eApproximately 17,900 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCost per litre treated\u003c\/th\u003e\n\u003ctd\u003eUnder 1c per litre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch3\u003eDosage and directions\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMeasure 5 mL (1 tsp) per 190 L (50 US gal) of pond water — or 60 mL (¼ cup) per 2,275 L (600 US gal) for larger ponds.\u003c\/li\u003e\n\u003cli\u003eMix into a bucket of pond water first, or add near a pump outflow, waterfall or aerator so it disperses evenly.\u003c\/li\u003e\n\u003cli\u003eRepeat the dose every 3 days until algae is under control.\u003c\/li\u003e\n\u003cli\u003eOnce clear, switch to one maintenance dose per week.\u003c\/li\u003e\n\u003cli\u003eRun vigorous aeration for 24 hours after each dose, especially in warm weather — decaying algae consumes oxygen as it breaks down.\u003c\/li\u003e\n\u003c\/ol\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\u003eOrnamental ponds, water gardens and fountains with green water, string algae or blanket weed\u003c\/li\u003e\n\u003cli\u003ePonds stocked with fish and pond plants, dosed as directed\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\u003ePonds holding freshwater crustaceans — shrimp, crabs and lobsters — which the label specifically excludes\u003c\/li\u003e\n\u003cli\u003eDosing without follow-up aeration in warm weather, where oxygen depletion from decaying algae is the real risk, not the algaecide itself\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eRemove dead algae as it surfaces rather than leaving it to break down in the pond — decomposing algae releases the nutrients that feed the next bloom, so skimming it out gets more from every dose. \u003ca href=\"\/products\/api-pond-care-ecofix-3-78ltr\"\u003eAPI Pond EcoFix\u003c\/a\u003e is designed to digest that dead algae and the sludge underneath it once the AlgaeFix course is done.\u003c\/p\u003e\n\n\u003ch3\u003eSafety and handling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHarmful if swallowed or absorbed through skin; causes moderate eye irritation.\u003c\/li\u003e\n\u003cli\u003eFlush eyes with water for 15–20 minutes on contact; wash skin with soap and water.\u003c\/li\u003e\n\u003cli\u003eIf swallowed, contact a doctor or Poison Control immediately.\u003c\/li\u003e\n\u003cli\u003eKeep out of reach of children and pets.\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-pond-care-ecofix-3-78ltr\"\u003eAPI Pond EcoFix\u003c\/a\u003e — beneficial bacteria to digest the dead algae AlgaeFix leaves behind.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-pond-care-simply-clear-3-78ltr\"\u003eAPI Pond Simply Clear\u003c\/a\u003e — for cloudy water from suspended particles rather than algae growth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eThis is a consumable pond treatment, so no manufacturer warranty period applies. That doesn't affect your rights under the Australian Consumer Law — if the product is faulty, unsafe or not as described, you're entitled to a remedy. Ships as standard freight.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWill this harm my pond fish?\u003c\/h4\u003e\n\u003cp\u003eNo — API states AlgaeFix will not harm fish or pond plants when dosed as directed. It is not safe for freshwater crustaceans such as shrimp, crabs or lobsters.\u003c\/p\u003e\n\u003ch4\u003eWhy does the pond need extra aeration after dosing?\u003c\/h4\u003e\n\u003cp\u003eAlgae killed by the treatment decomposes in the water, which consumes dissolved oxygen. Vigorous aeration for 24 hours after dosing, especially in warm weather, prevents that decay from crashing oxygen levels.\u003c\/p\u003e\n\u003ch4\u003eHow long until the algae clears?\u003c\/h4\u003e\n\u003cp\u003eRepeat the dose every 3 days until the algae is under control, then move to a weekly maintenance dose. Visible improvement is typically seen within the first few doses.\u003c\/p\u003e\n\u003ch4\u003eIs this the same as copper-based algaecides?\u003c\/h4\u003e\n\u003cp\u003eNo. AlgaeFix's active constituent is a polymeric compound, not copper, which is why it's safer around plants and most invertebrates — though it still shouldn't be used where freshwater crustaceans are present.\u003c\/p\u003e\n\u003ch4\u003eCan I use this in an aquarium instead of a pond?\u003c\/h4\u003e\n\u003cp\u003eThis product is formulated and labelled for ornamental ponds, water gardens and fountains. Follow the pond dosing directions given here; it is not sold or labelled as an aquarium product.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":54774196568355,"sku":null,"price":67.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/api-pond-care-algaefix-473ml-43875855565091.webp?v=1790239294","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/api-pond-care-algaefix-473ml","provider":"Nicks AOT","version":"1.0","type":"link"}