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Thread: TA of 440?

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    Molson's Avatar
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    TA of 440?

    I tested the water in the pool that we had filled on Monday.

    All parameters tested fine, but the TA came out to be 440, did I make a mistake? Or is this something I can fix?
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    JasonLion's Avatar
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    Re: TA of 440?

    You should already know this but did you try wiping the dropper tip occasionally with a damp tissue while doing the test?

    Extremely high TA levels can be fixed but it takes work.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Molson's Avatar
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    Re: TA of 440?

    ha! I know I should know, I went from a bromine pool that didn't take much work to this. I'll try redoing the test tonight. Last year my TA was 90, so it may have been operator error.
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    Molson's Avatar
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    Re: TA of 440?

    I tested again last night, and still got in the high 400's. I'll run a sample down to the pool store, in case my reagents are bad.
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    Re: TA of 440?

    If TA really is 400+, it is time to start the lowering TA process.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Re: TA of 440?

    Also, if the TA is really that high, then I'd expect your pH to be high unless you've got a pool cover.
    16,000 gallon outdoor in-ground 16'x32' plaster pool; Pentair Intelliflo VF pump; Pentair IntelliTouch i9+3s control system; Jandy CL-340 square foot cartridge filter
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    Re: TA of 440?

    Test your fill water from the tap to see what that shows.

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    Molson's Avatar
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    Re: TA of 440?

    The fill water came from a water truck. The pH is perfect and solid for the last few days at 7.5. I do have a cover, but it hasn't been installed yet.
    40 x 16 IG Vinyl. Goldline SWG
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    Molson's Avatar
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    Re: TA of 440?

    Here is my results from tf-100 June 7
    FC 8.5
    CC .5
    TC 9
    PH 7.5
    TA 440
    CH 170
    CYA 20 (assumed, added 1800 grams to fresh water)
    Salt: 3000

    Pool store June 10

    TC 5
    FC 5
    PH 7.8
    TA 150
    CH 110
    CYA 30
    Salt 2800
    TDS 3600 (weird)

    I'm adding some more cya to get me to 60-70.
    SWCG is running at level 2 or 3 and maintaining FC of 5. No bather load as I'm still waiting for temp. Currently at 70.
    I'm guessing my reagents are bad to get 2 TA readings over 400
    40 x 16 IG Vinyl. Goldline SWG
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    2014 Hydropool Serenity 5000 Hot Tub
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    JasonLion's Avatar
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    Re: TA of 440?

    It sure seems like it. With a SWG you would see huge PH drift if TA was really that high.
    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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