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Water Hardness Drop Test
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Water Hardness Drop Test


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    High quality water hardness drop test kit. Results are in German Scale.
    Ideal to test level of water hardness in your home or aquarium.
    To convert to ppm mulitply result in German scale by 17.8 



    One drop = 1dH

    1-5dH – Very Soft

    5-10dH – Soft

    10-15dH – Medium Hard

    15-20dH – Hard

    20dH – Very Hard

    If Your result is bigger than 10dH, we recommend one of Our Water Softeners to protect your home against hard water.