{"product_id":"mavea-carbonate-hardness-test-kit","title":"Carbonate Hardness Test Kit","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Mavea temporary hardness test kit is an incredibly accurate way of testing carbonate hardness of your water. It's a very easy test kit intended to prevent scale build-up in your machine by accurately monitoring water quality or hardness. We recommend a hardness of 3 grains.\u003c\/p\u003e\n\u003ch3\u003eHow-To Use the Carbonate Test Kit\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFill the measuring vial (the clear tube pictured above) with the water you intend on using in your espresso machine.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFill to the 5 ml mark on the vial\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAdd the Mavea solution a drop at a time (counting each), gently mixing by swirling the vial after each drop\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOnce the color changes from purple to yellow stop adding the solution\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eCount the total number of drops used. Each drop is equal to 1 grains per US gallon. Example: You used 4 drops in the vial of 5 ml of water and the color changed. The grains per gallon would be 4.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Mavea","offers":[{"title":"Default Title","offer_id":30277528518692,"sku":"710801","price":17.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/0665\/6292\/products\/710801.jpg?v=1574864892","url":"https:\/\/www.chriscoffee.mom\/products\/mavea-carbonate-hardness-test-kit","provider":"Chris' Coffee","version":"1.0","type":"link"}