{"product_id":"colombo-no2-test-kit","title":"Colombo NO2 Test Kit","description":"\u003cp\u003eNitrite should always read zero in a healthy pond. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eColombo NO2 Test\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehelps you detect nitrite (NO2) quickly and accurately, so you can act before fish are put under stress.\u003c\/p\u003e\n\u003cp\u003eNitrite builds up when your biological filter isn’t fully matured or is struggling. Even low levels can affect koi, especially during start-up, after cleaning filters or when feeding increases.\u003c\/p\u003e","brand":"Colombo","offers":[{"title":"Default Title","offer_id":56940759187834,"sku":null,"price":8.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/5107\/0459\/files\/1595868333-99287000.webp?v=1780414802","url":"https:\/\/cn-koi.com\/products\/colombo-no2-test-kit","provider":"C N Koi","version":"1.0","type":"link"}