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Thread: Calcium hardness and fiberglass pool

  1. #1
    Join Date
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    Default Calcium hardness and fiberglass pool

    Should I be concerned with a CH of 100 in a fiberglass pool?

    FC 3
    Ph 7.4
    TA 120
    CYA 40
    TDS 500
    water is perfectly clear although I have some brown stains only on rough surface of steps. I use metal free on a weekly basis along with pool perfect

  2. #2
    mas985's Avatar
    mas985 is offline Lifetime Member Whizbang Spinner mas985 3 stars mas985 3 stars mas985 3 stars
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    Default Re: Calcium hardness and fiberglass pool

    If you do not have a SWG or heater, it should not be a problem. If you do, then go by the manufactures recommendations to maintain warranties.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

  3. #3
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    Default Re: Calcium hardness and fiberglass pool

    Thank you for the help

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