{"product_id":"recharge-test-co2","title":"Reagent refill for dissolved CO2 test","description":"\u003cp\u003eThese two bottles are the reagents for the \u003ca href=\"\/en-sam\/products\/test-dioxyde-carbone-co2\"\u003edissolved CO2 test\u003c\/a\u003e. They are used to measure the \u003cstrong\u003efree carbon dioxide\u003c\/strong\u003e in your water, not the carbonates measured by carbonate hardness.\u003c\/p\u003e\u003cp\u003eThe reading is taken by titration: each drop of the second reagent equals \u003cstrong\u003e2 mg\/L\u003c\/strong\u003e, and the final pink colour must hold for 60 seconds. The test tube and the two-field colour chart from your kit remain in use.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54072064115011,"sku":"J2414100","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_dioxyde_de_carbone_CO2.png?v=1767986956","url":"https:\/\/www.univers-aquaponie.com\/en-sam\/products\/reagent-refill-for-dissolved-co2-test","provider":"Univers Aquaponie","version":"1.0","type":"link"}