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Thread: Low CH question

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    chclark's Avatar
    Join Date
    Sep 2012
    Pittsburgh, PA

    Low CH question

    I just added a gas heater to my vinyl pool. My Calcium Hardness is 70. In the past this didn't bother me, but should I raise it up not to harm the heat exchanger? If I should raise it, where to?
    IG 16x32 Grecian - Vinyl - Approx 18k gal - 1 HP Hayward Super Pump - Pentair Triton II TR-60 Sand Filter - Hayward ColorLogic Light - Hayward H250FD Heater

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Low CH question

    The heater isn't bothered by low calcium at all. High calcium levels are a problem as always. However, the heater warranty might care.
    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

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