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Thread: Why is my FC and salt level rising?

  1. Back To Top    #1

    Join Date
    May 2016
    Oklahoma city

    Why is my FC and salt level rising?

    My pool has been used quite a bit lately, and the temps have been high, but I am only running my salt generator at 35% to keep the FC level at about 4. If I raise the generator percent to 60% the FC raises up to about 7 or 8. The salt level was hovering around 3,400 when I replaced some water, but now it's up to 3,700. My TA is 80, the PH seems to creep up to 8.0 (because of the bubblers/ aeration?), and the CYA is at 50. Just wondering what is causing the FC and salt levels to raise so easily.
    SWG pool, 23,400 gallons
    in-ground plaster/ rectangular shape/ Cartridge filter/ pentair equipment
    just ordered test equipment- think it is Taylor
    filled using city water, not expensive in OKC

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: Why is my FC and salt level rising?

    Where are you getting the salt number?

    The FC is rising because you increased the SWG output (more than doubled it).
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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  3. Back To Top    #3

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    pabeader's Avatar
    Join Date
    May 2015
    Dallas Ga

    Re: Why is my FC and salt level rising?

    And the pH up is probably because of bubblers/ aeration and the SWG.
    Bob - Palm Beach by San Juan Pools. approx 5000 gals Pentair 320 cartridge filter (all new guts installed by me) Goldline SWG Intermec 104 TImer Test kit K-2006-C

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