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Thread: Boric Acid affect on pH; Is this OK?

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    waterbear's Avatar
    waterbear is offline Lifetime Member Sniggle Mechanic waterbear 4 stars waterbear 4 stars waterbear 4 stars waterbear 4 stars
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    Default Re: Boric Acid affect on pH; Is this OK?

    No, the act of adding acid makes TA drop since it converts bicarbonate to carbon dioxide which then gases off. Aeration raises pH with no effect on TA. Borate does add to TA so even though you have removed some bicarbonate by adding the boric acid you have replaced it with borate, which is still measured as TA
    Retired pool store and commercial pool maintenance guy.

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    Default Re: Boric Acid affect on pH; Is this OK?

    Quote Originally Posted by waterbear View Post
    No, the act of adding acid makes TA drop since it converts bicarbonate to carbon dioxide which then gases off. Aeration raises pH with no effect on TA. Borate does add to TA so even though you have removed some bicarbonate by adding the boric acid you have replaced it with borate, which is still measured as TA
    Thanks for the explanation. The TA reading in my post was before adding boric acid. Out of curiosity, I'll check it again to see what TA now reads.

    sigh........looks like we may be in for more flooding rains this weekend.
    22'x40' Grecian Lazy L 20K gal IG vinyl pool; Aqua Rite SWCG T15 cell; Hayward Pro Grid 6020 DE filter; Hayward Superpump 1hp pump; 12 hrs; Taylor K-2006; city; PF:6

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