{"product_id":"recharge-test-kh","title":"Reagent refill for KH carbonate hardness test","description":"\u003cp\u003eThis bottle is the titration reagent for the \u003ca href=\"\/en-cam\/products\/test-durete-carbonatee\"\u003ecarbonate hardness test\u003c\/a\u003e, sold separately. You add it drop by drop to \u003cstrong\u003e5 ml\u003c\/strong\u003e of water until the colour changes from blue to orange-yellow.\u003c\/p\u003e\u003cp\u003eThe number of drops added gives the result directly, at a rate of \u003cstrong\u003e1 °dKH\u003c\/strong\u003e per drop. The test tube from your kit remains in use, and there is no colour chart to replace with a titration method.\u003c\/p\u003e","brand":"Hardy Dewerse","offers":[{"title":"Default Title","offer_id":54057417867587,"sku":"J2411100","price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_duretee_carbonatee.png?v=1767987233","url":"https:\/\/www.univers-aquaponie.com\/en-cam\/products\/reagent-refill-for-kh-carbonate-hardness-test","provider":"Univers Aquaponie","version":"1.0","type":"link"}