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    3. what is 660 mg/L water hardness converted to grains per gallon?
    what is 660 mg/L water hardness converted to grains per gallon?

    How can I convert 660 mg/L water hardness to gpg (grains per gallon) in order to set my water softner?

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    0  Views: 553 Answers: 1 Posted: 13 years ago
    Tags: water hardness calculation
    Big Gimpy

    The water hardness test kit I use gives the answer as mg/L CaCO3, I need to convert to GPG.
    Commented 13 years ago
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      1 Answer

      See how to convert here > http://www.ehow.com/how_8126392_convert-water-hardness-mgl-gpg.html

      13 years ago. Rating: 0
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