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-   -   Hardness of water (https://www.askmehelpdesk.com/showthread.php?t=675162)

  • Jun 25, 2012, 03:16 PM
    Nazulaihat Hamz
    Hardness of water
    How to calculate hardness of water in ppm?
  • Jun 25, 2012, 10:01 PM
    Unknown008
    If you don't have any chemistry apparatus nor standard solutions for the test, you can buy a water hardness meter/test kit/tester.

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