{"product_id":"hach-145300-total-hardness-kit","title":"Hach 145300 Total Hardness Kit","description":"The \u003cb\u003eHach Hardness Test Kit Model 5B\u003c\/b\u003e provides a quick and efficient way to test the water in your home. Water hardness is a result of calcium and magnesium that has dissolved in the water. The Hach 145300 kit is very important for any one that has a water softener.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eTests for water hardness caused by calcium and magnesium ions\u003c\/li\u003e\n\u003cli\u003eHardness increase soap consumption\u003c\/li\u003e\n\u003cli\u003eWater hardness can increase scale in boilers\u003c\/li\u003e\n\u003cli\u003eModel Number: 5B\u003c\/li\u003e\n\u003cli\u003eCatalog Number: 1453-00\u003c\/li\u003e\n\u003c\/ul\u003e\u003cb\u003eHach 145300 Total Hardness Directions\u003c\/b\u003e\u003col\u003e\n\u003cli\u003eFill test tube to the top with your water sample.\u003c\/li\u003e\n\u003cli\u003ePour the sample into the mixing bottle.\u003c\/li\u003e\n\u003cli\u003eAdd 1 level spoonful of UniVer 3 Hardness Reagent and swirl to mix.\u003c\/li\u003e\n\u003cli\u003eAdd the Hardness 3 Titrant Solution to the mixing bottle dropwise while swirling the mixing bottle. When the sample color changes from pink to blue, record the number of drops added.\u003c\/li\u003e\n\u003cli\u003eNumber of drops = Total Sample Hardness in grains per gallon as Calcium carbonate (CaCO3)\u003c\/li\u003e\n\u003c\/ol\u003e\u003cb\u003eNote: If one drop produces a blue color, total hardness is \u0026lt; 1 grain per gallon.\u003c\/b\u003e","brand":"Hach","offers":[{"title":"Default Title","offer_id":13250830925867,"sku":"145300","price":26.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2723\/8896\/files\/ixbmbv7qsfx51zrm8xo6_9864ab7f-6101-4db0-8bb2-6207c3e81e62.jpg?v=1792573612","url":"https:\/\/freshwitersystems.com\/products\/hach-145300-total-hardness-kit","provider":"Fresh Water Systems","version":"1.0","type":"link"}