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Thread: Is there a diffrence between TA and alkalinity?

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    Is there a diffrence between TA and alkalinity?

    I just had Pebble tec installed, and the instructions are to keep alkalinity bellow 70 during the first 72 hours. I used 2 gal of muriatic acid to bring TA to 120 and PH 7.2.
    The instructions say " lower the alkalinity..." not "lower TA..." 27K gal pool.

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    Join Date
    Dec 2009
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    Central Massachusetts
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    Re: Is there a diffrence between TA and alkalinity?

    TA=Total alkalinity
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

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    Re: Is there a diffrence between TA and alkalinity?

    I still do not know if both terms are the same.

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    Join Date
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    Re: Is there a diffrence between TA and alkalinity?

    Yes, TA stands for alkalinity, they are the same. People use the terms total alkalinity and alkalinity interchangeably. TA= alkalinity for the purposes here, yes, it's the same thing.

    (yes, I know the nuances, but for the purpose here, they can be used as the same thing)
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Is there a diffrence between TA and alkalinity?

    What bk406 said. In this context, yes they are the same.
    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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