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Thread: Raising TA without raising PH

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    Raising TA without raising PH

    I have searched the forum.. and probably missed an obvious answer.. but I am tired of looking.. I hope someone can help with a comment or two here.

    24 foot round AG pool

    CL 10 (coming down from opening shock)
    CC 0
    PH 7.8
    TA 50
    CYA 35

    I would like to raise the TA.. but need no increase in PH.. I am afraid using baking soda will also increase PH. Is there a way to increase TA without raising PH?

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    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Raising TA without raising PH

    Baking soda will have minimal affect on your pH.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Raising TA without raising PH

    There is no avoiding it, raising the TA will raise the PH a little, but as duraleigh said, only just a little bit.
    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

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    Join Date
    Feb 2008
    Denton, TX

    Re: Raising TA without raising PH

    Duraleigh is right. The best way to raise your TA is by using baking soda. Of course, anything that you add to raise TA will raise your pH somewhat, but baking soda will do so the least. You might consider making a slight correction to your pH using muriatic acid first, say, by bringing it to 7.5, and then add the baking soda in the amount you need to bring the TA to where you want it to be. After circulating for an hour or so after adding the baking soda, recheck your TA and pH and treat accordingly.

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