{"product_id":"m8427","title":"Hardness Test Kits - Choose your drop count","description":"\u003ch1\u003eHardness Test Kit\u003c\/h1\u003e\u003cspan style=\"font-weight: bold;\"\u003eHow to I test for hardness?\u003c\/span\u003e\u003cbr\u003eIt is easy.\u003cbr\u003e\u003col\u003e\n\u003cli\u003eFill the mixing bottle with the water sample to be tested to the top of the etched mark (25ml); the bottom of the curved surface or meniscus \nshould be exactly level with the mark.\u003c\/li\u003e\n\u003cli\u003eAdd 15 drops of Hardness Indicator Buffer Solution.\u003c\/li\u003e\n\u003cli\u003eIf the water turns Blue, no hardness is present and the answer is 0 ppm.  If the water turns red or purple, hardness is present and the test should be continued.\u003c\/li\u003e\n\u003cli\u003eAdd HT-2 Hardness Titrating Solution, dropwise, while the drops are counted, until the water changes to a blue color.  This is the end point.\u003c\/li\u003e\n\u003cli\u003eMultiple the number of drops times your calculation ratio.\u003c\/li\u003e\n\u003c\/ol\u003e-","brand":"ChemWorld","offers":[{"title":"1 drop = 2 ppm","offer_id":49773126091008,"sku":null,"price":82.99,"currency_code":"USD","in_stock":true},{"title":"1 drop = 5 ppm","offer_id":49773126123776,"sku":null,"price":82.99,"currency_code":"USD","in_stock":true},{"title":"1 drop = 10 ppm","offer_id":49773126156544,"sku":null,"price":82.99,"currency_code":"USD","in_stock":true},{"title":"1 drop = 20 ppm","offer_id":49773126189312,"sku":null,"price":82.99,"currency_code":"USD","in_stock":true},{"title":"1 drop = 25 ppm","offer_id":49773126222080,"sku":null,"price":82.99,"currency_code":"USD","in_stock":true},{"title":"1 drop = 50 ppm","offer_id":49773126254848,"sku":null,"price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/6523\/6992\/files\/M8427.jpg?v=1789568490","url":"https:\/\/boilerchemicals.com\/products\/m8427","provider":"BoilerChemicals","version":"1.0","type":"link"}