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Thread: TA lowering

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    Join Date
    Jul 2011
    Location
    Philadelphia, PA
    Posts
    22

    TA lowering

    Hello all,

    I have successfully lowered my pH to 7.2 in an effort to dec TA from 110 down to desired 70-80 for swg pool (brand new, three weeks open, swg not on yet). My question is, how long does it take for TA to fall in response to pH drop? The pH dropped overnight with the addition of dry acid. but TA was still around 100. Thoughts?
    Thanks!

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    aa62579's Avatar
    Join Date
    May 2011
    Location
    North Central Texas
    Posts
    409

    Re: TA lowering

    To actively lower the TA, you have to repeat the full process. You have only done step one. Now you need to increase your pH via aeration so that you can add more acid. And repeat, testing before each addition.

    There is a link in pool school to explain the process. It may take many cycles to lower the TA as much as you want.
    ~~ Allison ~~
    Intex 18' x 48" Easy Set Pool, approximately 5455 gallons
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  3. Back To Top    #3

    Join Date
    Jul 2011
    Location
    Philadelphia, PA
    Posts
    22

    Re: TA lowering

    Quote Originally Posted by aa62579
    To actively lower the TA, you have to repeat the full process. You have only done step one. Now you need to increase your pH via aeration so that you can add more acid. And repeat, testing before each addition.

    There is a link in pool school to explain the process. It may take many cycles to lower the TA as much as you want.
    Thanks! Aerating with spa spillway running. will check tomorrow and repeat as necessary. thanks!

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