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Thread: Lowering the TA and pH level

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    In the Industry

    Join Date
    Jul 2016

    Lowering the TA and pH level

    I have a customer whose pool I've been trying to lower the pH level in by adding the specific acids used to lower the pool pH. However, when I go to do the weekly service after a week, the pH level is always 8.0+. I put it lots of acid but it's always high. Please help me. When I researched it, it said to lower the TA but in order to do that, I need to put in acid and that's what I've been doing.

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    Mod Squad
    Join Date
    Aug 2012
    DFW, TX

    Re: Lowering the TA and pH level

    Welcome to TFP!

    Here is the process for lowering TA, Pool School - Lower Total Alkalinity

    Post a full set of test results and we might be able to help more.
    TFP Moderator
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  3. Back To Top    #3
    Divin Dave's Avatar
    Join Date
    Oct 2013
    Longview, Texas

    Re: Lowering the TA and pH level

    A good set of test results will help us help you.

    So why is the pH rising so fast? Are there water features, sprays and such in the pool? A load of kids splashing around each day? What is the pH of the fill water? What is the TA?

    Just because you are adding acid on your weekly round doesnt automatically mean the TA will get lower and lower and start buffering the pH. If the fill water TA is high that could counteract adding acid.

    It sounds as if a comple water parameter survey of the pool, how its used and the fill water is in order and if necessary, bring the TA down all at once, so that the pH rise can be better controlled.
    Divin Dave,
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