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Thread: Lower TA

  1. Back To Top    #1

    Lower TA

    Here are my current numbers with the TF-100 test kit:

    16,000 gal. Fiberglass pool
    Pump runs 12 hrs a day with the SWG at 60%

    FC - 4.5
    CC - .5
    TA - 100
    CYA - 50
    PH - 7.8

    I can't seem to get my TA to lower. I have spa jets in my pool and they have been on just about everyday for the last 2-3 weeks and every now and then I have my waterfall on but the TA doen't want to go down.

    Any thoughts?
    Leisure Pools - Rivera (16,000 gal.)

    Pentair System: IntelliChlor IC20, Clean & Clear Plus Filter, MasterTemp 250 Gas Heater, SuperFlow Pump

  2. Back To Top    #2
    Richard320's Avatar
    Join Date
    Jan 2010
    San Dimas, CA (LA County)

    Re: Lower TA

    TA lowers with acid. It also lowers pH. Aeration raises pH back up.

    So the answer is more acid. Adjust pH down to 7.2 and you'll lose a little TA. Then let pH rise again or aggressively aerate and repeat.
    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!

  3. Back To Top    #3
    Butterfly's Avatar
    Join Date
    May 2007
    South Carolina

    Re: Lower TA

    Yep, and here's a link to the directions in Pool School:
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

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