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Thread: Calcium Hardness (CH)

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    Join Date
    Aug 2007
    Location
    Northern Kentucky
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    20

    Calcium Hardness (CH)

    Do I need to even worry about this for my above ground pool or should I try to get it in range? I have a reading of 94ppm atm.
    27 ft. round AG pool with 54" walls, 18,065 gallons, 22inch Sparco sand filter with 2.0 HP 2 speed pump

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    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
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    37,887
    With a vinyl liner all you need to worry about is keeping CH from getting too high, anything under 300 and you don't need to worry.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  3. Back To Top    #3

    Join Date
    Aug 2007
    Location
    Northern Kentucky
    Posts
    20
    Thank you very much Jason! Thats what I thought but wanted to make sure.
    27 ft. round AG pool with 54" walls, 18,065 gallons, 22inch Sparco sand filter with 2.0 HP 2 speed pump

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