{"product_id":"heone-fish-water-test-kit-no2","title":"Heone Fish Water Test Kit NO2","description":"\u003c!-- split --\u003e\n\u003cdiv\u003e\n\u003cp data-end=\"161\" data-start=\"0\"\u003eTesting \u003cstrong data-end=\"25\" data-start=\"8\"\u003eNO₂ (nitrite)\u003c\/strong\u003e is important because it shows whether toxic nitrogen compounds are being properly broken down in your aquarium’s biological filtration.\u003c\/p\u003e\n\u003cp data-end=\"269\" data-start=\"163\"\u003eNitrite is produced after ammonia is broken down, and it is still very harmful to fish even at low levels.\u003c\/p\u003e\n\u003cp data-end=\"284\" data-start=\"271\"\u003eIt helps you:\u003c\/p\u003e\n\u003cul data-end=\"595\" data-start=\"285\"\u003e\n\u003cli data-end=\"353\" data-start=\"285\" data-section-id=\"9hj7p2\"\u003eDetect dangerous nitrite buildup during cycling or filter issues\u003c\/li\u003e\n\u003cli data-end=\"432\" data-start=\"354\" data-section-id=\"jtfae3\"\u003ePrevent oxygen starvation in fish (nitrite affects blood oxygen transport)\u003c\/li\u003e\n\u003cli data-end=\"494\" data-start=\"433\" data-section-id=\"29zjjs\"\u003eMonitor whether beneficial bacteria are fully established\u003c\/li\u003e\n\u003cli data-end=\"545\" data-start=\"495\" data-section-id=\"uygqky\"\u003eAvoid fish stress, lethargy, and sudden losses\u003c\/li\u003e\n\u003cli data-end=\"595\" data-start=\"546\" data-section-id=\"1k2hcl9\"\u003eEnsure the nitrogen cycle is working properly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"699\" data-start=\"597\"\u003eIn short, \u003cstrong data-end=\"646\" data-start=\"607\"\u003enitrite should always stay at 0 ppm\u003c\/strong\u003e — any reading means your tank is not fully safe yet.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Heone","offers":[{"title":"Default Title","offer_id":49072674210100,"sku":"HEO-1-TK-NO2","price":169.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2314\/0245\/files\/HEO-1-TK-NO2.jpg?v=1774625355","url":"https:\/\/familypetcentre.co.za\/products\/heone-fish-water-test-kit-no2","provider":"Family Pet Centre","version":"1.0","type":"link"}