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Thread: When is FC too high to swim in?

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    When is FC too high to swim in?

    I left town for about 5 days, and forgot to disable the ORP sensor in my Autopilot TC. When I got back my FC is now about 14.

    Here are my #'s
    ph 7.7-7.8
    FC 14
    CC 0
    TA 80
    CH 420
    CYA 70
    Salt 3200
    borates (est 40-45)

    So when is FC too high to swim in?
    Also, I notice that when I disable ORP on my Autopilot TC and set the SWG to a %output, the % seems to vary by itself, and sometimes even goes down to 1%. Is it because of the varying water temperature?
    17,500g, IG pool/spa, pebblesheen, Autopilot TC SWG, Pentair 4x160 variable speed pump. Sta-rite cartridge filter, Sta-rite Gas heater, Polaris 280 cleaner

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD
    Given your CYA level, that isn't all that high of an effective chlorine level. You should be fine swimming in that.

    The AutoPilot units are temperature compensated, which means that they change the percentage on their own based on the water temperature.
    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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