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Thread: I am having trouble maintaing FC level.

  1. Back To Top    #1

    Join Date
    May 2012
    Location
    Oconee, Georgia
    Posts
    82

    I am having trouble maintaing FC level.

    FC 3.5
    TA 80
    CH 250
    ph 7.4
    cya 70

    I have a pentair IC40 vinyl liner. We went on vacation last week and my nephew was looking after the pool. They splashed a lot of water out of the pool and pump was catching air not making C. The water is very clear but I can't maintain FC level. I am at 3.5 with running in super chl mode. My question is can you need to shock pool even if it is clear?

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    freqz's Avatar
    Join Date
    Sep 2013
    Location
    Dallas, TX
    Posts
    116

    Re: I am having trouble maintaing FC level.

    Sure you can!

    Run the OCLT first to see if you have something eating your FC.
    25000 gal in ground plaster. '79 vintage. Cartridge filter.

  3. Back To Top    #3
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: I am having trouble maintaing FC level.

    You sure can. Use bleach. And it is safe to swim in up to shock level, so you can target 28 and still be okay to swim!

    If you lost a lot of water, you also lost the corresponding amount of salt and CYA, so you ought to confirm those.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

  4. Back To Top    #4

    Join Date
    May 2012
    Location
    Oconee, Georgia
    Posts
    82

    Re: I am having trouble maintaing FC level.

    Thanks for the advice I have had my pool for a year now and this is the first time I have had to shock it

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