{"product_id":"recharge-test-gh","title":"Reagent refill for total hardness GH test","description":"\u003cp\u003eThis bottle is the titration reagent for the \u003ca href=\"\/en-sea\/products\/test-durete-totale\"\u003etotal hardness test\u003c\/a\u003e, sold separately. It measures the calcium and magnesium in your water as a single combined value.\u003c\/p\u003e\u003cp\u003eYou add it drop by drop into \u003cstrong\u003e5 ml\u003c\/strong\u003e of water until the colour changes from red to green, with each drop equalling \u003cstrong\u003e1 °dGH\u003c\/strong\u003e. The test tube and sampling syringe from your kit remain in use.\u003c\/p\u003e","brand":"JBL","offers":[{"title":"Default Title","offer_id":54057423176003,"sku":"J2410900","price":5.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6410\/8099\/files\/Recharge_test_eau_duretee_totale.png?v=1767987255","url":"https:\/\/www.univers-aquaponie.com\/en-sea\/products\/reagent-refill-for-total-hardness-gh-test","provider":"Univers Aquaponie","version":"1.0","type":"link"}