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Thread: Need help on high CC

  1. Back To Top    #1

    Join Date
    Apr 2013
    Location
    Albuquerque, NM
    Posts
    3

    Need help on high CC

    Hi, everyone,
    I am a new owner of a swimming pool. Since opening, water is clear now. Here is the test results.

    FC: 2
    CC: 8
    PH: 7.5
    TA: 190
    CA: 480
    CYA: 0

    What should I do to reduce CC? I already added 7 bottle of 8.25% bleach and 5 lbs of chlorine power. Pool is clear, but not very blue. Is there anything I should do to make water right? By the way, we are using well water.

    Thanks.
    16500 G Ingound / SPA, FNSP-48 DE Filter, 2 HP WhisperFlo pump / 2HP Jet.
    8 Port Caretaker 99 in floor cleaning, Automatic cover.

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Need help on high CC

    Raise your CYA level to between 30 and 40 and then shock the pool as described in Pool School.

    With CYA at zero you are losing too much chlorine to sunlight to make much progress.
    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

  3. Back To Top    #3

    Join Date
    Apr 2013
    Location
    Albuquerque, NM
    Posts
    3

    Re: Need help on high CC

    I added 4lb of stabilizer. Here are test results

    FC: 3
    CC: 10.5
    PH: 7.2
    TA: 160
    CA: 450
    CYA: 30

    Now, what is next? How much bleach I need to add? I added 2 bottles of 8.25% bleach, FC only increased 2ppm. According to Pool calculator, I should get 10ppm. Water is crystal clear and blue. Why is CC still so high?
    16500 G Ingound / SPA, FNSP-48 DE Filter, 2 HP WhisperFlo pump / 2HP Jet.
    8 Port Caretaker 99 in floor cleaning, Automatic cover.

  4. Back To Top    #4

    Join Date
    Sep 2009
    Location
    Greentown, IN
    Posts
    914

    Re: Need help on high CC

    You need to "shock" the pool in order to get rid of the CC, and by shock I don't mean to go and buy the stuff at the store labeled "pool shock" or anything of the sort.

    Follow the instructions in Pool School on how to shock.

    Until you do the shock, your CC will remain high and continue to eat up your chlorine too quickly.
    Indiana, ABG 24'x52" Galveston by Blue Cascade (Craigslist buy w/part of deck included), 13,500 gallons, Intex SWG, solar panels mix 2, TF-100 test kit.

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  5. Back To Top    #5
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
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    37,389

    Re: Need help on high CC

    As stated, you need to follow the Shocking Your Pool PROCESS.

    Keep testing and adding bleach to reach 12ppm (now that your CYA is 30ppm). The high CC points to ammonia which will consume the FC very quickly.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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