{"product_id":"api-phos-zorb-treats-210l","title":"API Phos Zorb - treats 210L","description":"\u003cp\u003e\u003cstrong\u003eOne pouch strips phosphate and silicate before algae can use them.\u003c\/strong\u003e API Phos-Zorb is a synthetic adsorption filter media that removes phosphate and silicate from freshwater and saltwater aquariums. It ships as a single 5.25 oz (approximately 149 g) mesh pouch rated to treat up to 55 US gallons (approximately 208 L).\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemoves phosphate and silicate\u003c\/strong\u003e — the two nutrients that build up from feeding and waste and fuel nuisance algae once they accumulate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreats up to 208 L per pouch\u003c\/strong\u003e — at the current price that works out to $0.15 per litre of treated water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in mesh pouch\u003c\/strong\u003e — no dosing or mixing. It sits in the filter's flow path and adsorbs passively.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse to activate\u003c\/strong\u003e — a few minutes under tap water clears dust and starts the media working; it will feel warm as it does, which is normal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh and saltwater\u003c\/strong\u003e — one pouch formulation works in either water type.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eChemical filter media — phosphate and silicate remover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet weight\u003c\/th\u003e\n\u003ctd\u003e5.25 oz (approx. 149 g) mesh pouch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreats\u003c\/th\u003e\n\u003ctd\u003eUp to 55 US gallons (approx. 208 L) per pouch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRemoves\u003c\/th\u003e\n\u003ctd\u003ePhosphate and silicate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eSynthetic adsorption media — exact composition not disclosed by API\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater and saltwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePreparation\u003c\/th\u003e\n\u003ctd\u003eRinse under tap water for several minutes before use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReplacement interval\u003c\/th\u003e\n\u003ctd\u003eEvery 2 months, or sooner if a test shows phosphate or silicate present\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCost per litre treated\u003c\/th\u003e\n\u003ctd\u003e$0.15 per litre, at the current pack price\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\n\u003c\/table\u003e\n\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eReplace the pouch every 2 months even if it looks unchanged — exhausted adsorption media stops working long before it looks any different. Test phosphate and silicate between changes; a reading that climbs back above 0 ppm phosphate or 0.5 ppm silicate means the pouch is spent early and should be swapped sooner than the two-month mark.\u003c\/p\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 and saltwater aquariums running high phosphate or silicate from feeding, waste or tap water\u003c\/li\u003e\n\u003cli\u003eReef tanks where excess phosphate is limiting hard or soft coral growth\u003c\/li\u003e\n\u003cli\u003ePlanted and community tanks with persistent algae despite otherwise good husbandry\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\u003eReplacing water changes and feeding discipline — it manages the symptom, not the cause of a rising nutrient load\u003c\/li\u003e\n\u003cli\u003eInstant results. It works over hours to days as water passes through it, not the moment it's dropped in\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\u003eHandle the pouch by its mesh casing rather than opening it — the media inside is not meant to be handled loose.\u003c\/li\u003e\n\u003cli\u003eThe pouch will feel warm for a few minutes after rinsing as the media activates. This is expected and not a fault.\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-phosphate-test-kit-1-25oz-fresh-saltwater\"\u003eAPI Phosphate Test Kit\u003c\/a\u003e — test before you decide the pouch needs replacing rather than swapping on a calendar alone.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-ammonia-test-kit-fresh-saltwater\"\u003eAPI Ammonia Test Kit Fresh\/Saltwater\u003c\/a\u003e — worth checking alongside phosphate on any tank that's growing algae or clouding up.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-bio-chem-zorb-210l\"\u003eAPI Bio-Chem Zorb\u003c\/a\u003e — for organics and heavy metals, where phosphate and silicate aren't the whole story.\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\u003eShips as standard freight.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eHow do I know when to replace the pouch?\u003c\/h4\u003e\n\u003cp\u003eTest phosphate and silicate every couple of weeks. Once phosphate reads above 0 ppm or silicate above 0.5 ppm, the pouch is spent, even if that happens before the two-month mark.\u003c\/p\u003e\n\u003ch4\u003eWill it affect my fish or corals directly?\u003c\/h4\u003e\n\u003cp\u003eNo. It works by adsorbing dissolved phosphate and silicate from the water column; it does not add anything to the water that affects livestock directly.\u003c\/p\u003e\n\u003ch4\u003eCan I use it in a planted tank?\u003c\/h4\u003e\n\u003cp\u003eYes, but be aware it also removes phosphate that plants use as a nutrient. In a heavily planted, low-algae tank, running it continuously can starve plants as well as algae.\u003c\/p\u003e\n\u003ch4\u003eDoes it work as soon as I drop it in?\u003c\/h4\u003e\n\u003cp\u003eNo. It needs water flowing through it, so results build over hours to days rather than appearing immediately after rinsing and installing it.\u003c\/p\u003e\n\u003ch4\u003eWhy does the pouch feel warm after rinsing?\u003c\/h4\u003e\n\u003cp\u003eThat's the media activating on contact with water, per API's instructions. It's a normal, temporary reaction and not a sign the pouch is faulty.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":55242274472227,"sku":"AA2553","price":31.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/api-phos-zorb-treats-210l-3000672-1600.jpg?v=1781836678","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/api-phos-zorb-treats-210l","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}