{"product_id":"api-nitra-zorb-210l","title":"API Nitra-Zorb (210L)","description":"\u003cp\u003e\u003cstrong\u003eA rechargeable drop-in pouch that pulls ammonia, nitrite and nitrate out of freshwater.\u003c\/strong\u003e API Nitra-Zorb is a chemical filter media pouch rated to treat up to 210 L of freshwater per fill. It sits in the flow path inside a canister, hang-on-back or internal filter, and can be recharged with API Aquarium Salt instead of being thrown away after one use.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemoves three nitrogen compounds\u003c\/strong\u003e — ammonia, nitrite and nitrate, in one pouch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreats up to 210 L per fill\u003c\/strong\u003e — works out to about $0.20 per litre of aquarium water; see the cost note below.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable, not disposable\u003c\/strong\u003e — a salt soak restores the media instead of buying a new pouch each time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in format\u003c\/strong\u003e — rinse and place directly in the flow path of most canister, hang-on-back and internal filters.\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, drop-in pouch (Size 6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRemoves\u003c\/th\u003e\n\u003ctd\u003eAmmonia, nitrite and nitrate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated capacity\u003c\/th\u003e\n\u003ctd\u003eUp to 210 L per fill\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePouch dimensions\u003c\/th\u003e\n\u003ctd\u003e13.3 x 3.8 x 24.1 cm (5.25 x 1.5 x 9.5 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormat\u003c\/th\u003e\n\u003ctd\u003e1-count pouch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReplacement interval\u003c\/th\u003e\n\u003ctd\u003eEvery 2 months of continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRechargeable\u003c\/th\u003e\n\u003ctd\u003eYes — salt soak, see below\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\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eAA2356\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBarcode\u003c\/th\u003e\n\u003ctd\u003e317163011102\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\u003eHow to use it\u003c\/h3\u003e\n\u003cp\u003eRinse the pouch under tap water, then place it in the path of water flow inside your filter. The media works by contact as water passes through it, so it needs to sit somewhere water actually moves through, not just alongside the flow.\u003c\/p\u003e\n\n\u003ch3\u003eRecharging\u003c\/h3\u003e\n\u003cp\u003eReproduced from API's directions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDissolve 4 level tablespoons of \u003ca href=\"\/products\/api-aquarium-salt\"\u003eAPI Aquarium Salt\u003c\/a\u003e in 250 mL (8 fl oz) of warm water.\u003c\/li\u003e\n\u003cli\u003eSoak the pouch in the solution for 2 hours.\u003c\/li\u003e\n\u003cli\u003eRinse lightly under tap water before returning it to the filter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSituation\u003c\/th\u003e\n\u003cth\u003eRecharge every\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNew tank, or ammonia\/nitrite detected — month 1\u003c\/td\u003e\n\u003ctd\u003e5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNew tank, or ammonia\/nitrite detected — month 2\u003c\/td\u003e\n\u003ctd\u003e2 weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstablished, stable tank\u003c\/td\u003e\n\u003ctd\u003e2 weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrate reading elevated\u003c\/td\u003e\n\u003ctd\u003eEvery 5 days, until the reading is at or below 20 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eReplace the pouch entirely after 2 months of use, even if it has been recharged on schedule throughout.\u003c\/p\u003e\n\n\u003ch3\u003eCost per litre\u003c\/h3\u003e\n\u003cp\u003eOne pouch treats up to 210 L, priced at $43.15, which works out to $0.20 per litre of aquarium water treated per fill. Because the pouch is rechargeable rather than single-use, that figure covers the initial fill only — each salt recharge treats the same 210 L again without adding to the cost.\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 aquariums up to around 210 L per pouch\u003c\/li\u003e\n\u003cli\u003eCanister, hang-on-back and internal filters with room for a drop-in media pouch\u003c\/li\u003e\n\u003cli\u003eOngoing ammonia, nitrite and nitrate control between water changes\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 or reef aquariums — API rates this media for freshwater only\u003c\/li\u003e\n\u003cli\u003eReplacing regular water changes — it manages nitrogen compounds between changes, it doesn't remove the need for them\u003c\/li\u003e\n\u003cli\u003eFilters with no free flow path for water to pass through the pouch\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-freshwater-master-multi-test-kit-5-in-1\"\u003eAPI Freshwater Master Multi Test Kit 5 in 1\u003c\/a\u003e — track ammonia, nitrite and nitrate so you know when a recharge is due.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-nitrate-test-kit-fresh-saltwater\"\u003eAPI Nitrate Test Kit Fresh\/Saltwater\u003c\/a\u003e — for nitrate on its own, more often.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-aquarium-salt\"\u003eAPI Aquarium Salt\u003c\/a\u003e — the recharge solution this pouch is soaked in.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-stress-coat\"\u003eAPI Stress Coat\u003c\/a\u003e — for the water changes this media supplements, not replaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eThis is a consumable filter media, 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\u003eDoes Nitra-Zorb remove ammonia, nitrite and nitrate all at once?\u003c\/h4\u003e\n\u003cp\u003eYes. API rates the media for all three, working continuously as water passes through the pouch rather than treating one compound at a time.\u003c\/p\u003e\n\u003ch4\u003eHow many litres does one pouch treat?\u003c\/h4\u003e\n\u003cp\u003eUp to 210 L per fill. That figure isn't stated on API's own product page — it comes from the pouch size (Size 6) as sold and listed by other retailers, so treat it as a close approximation rather than a guaranteed figure.\u003c\/p\u003e\n\u003ch4\u003eCan I recharge it instead of buying a new pouch?\u003c\/h4\u003e\n\u003cp\u003eYes. Soak it in a solution of API Aquarium Salt dissolved in warm water for 2 hours, then rinse lightly. API recommends replacing the pouch entirely after 2 months of use even if you've kept up the recharge schedule.\u003c\/p\u003e\n\u003ch4\u003eWill this work in a marine or reef tank?\u003c\/h4\u003e\n\u003cp\u003eNo. API rates Nitra-Zorb for freshwater aquariums only.\u003c\/p\u003e\n\u003ch4\u003eHow do I know when to recharge?\u003c\/h4\u003e\n\u003cp\u003eTest your water. A rising ammonia or nitrite reading, or a nitrate reading climbing past 20 ppm, is your cue — follow the recharge schedule above rather than a fixed calendar date.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":55242283811107,"sku":"AA2356","price":43.15,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/api-nitra-zorb-210l-3000670-1600.jpg?v=1781836678","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/api-nitra-zorb-210l","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}