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    API GH and KH Hardness Test Kit for Freshwater

    API

    Item # 199678 / Manufacturer Part # 58

    Was $7.79
    Now $5.41
     
    General Hardness is the measuring of calcium and magnesium. Carbonate Hardness is also known as alkalinity and helps to stabilize pH. This kit contains: 2 dropper bottles, instructions, color chart and non-staining glass test tube with snap tight cap.
    Indicator MethodTitration
    Add reagent drops to water sample and compare to included color chart.

    Average Rating

    Easy to use just takes time 7/25/2013

    Reviewer: Jon

    Very easy to use but can be messy shaking after every drop. But easy to read

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