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Thread: TA still low

  1. Back To Top    #1

    Join Date
    Aug 2013
    St. Croix, USVI

    TA still low

    Pool looks great. Water temp is high this time of yr in the VI's (86 deg).
    FC and TC fine 3.5ppm pH fine 7.6 but TA always seems to be low 50-70ppm. Have added TA+ but I'm hesitant to add more Baking soda for fear my pH will skyrocket. Any thoughts?
    Marbelite 13K gal pool in Rain Forest St. Croix USVI (opened 08/04/13)
    Hayward 2030 cartr filter (225sqft) Hayward skimmers
    Lorenz Solar powered pump 4 Ecogreen PV panels 245W ea w A/C back up Polaris 360 cleaner w separate filter
    Location is 17deg 47' N Water Temp 82-86deg Ambient temp 75-90deg Rain Fall 60-90"/yr Altitude 615Ft ASL Sun Solar Exposure 11:34 to 12:25hrs/day

  2. Back To Top    #2
    BoDarville's Avatar
    Join Date
    Jun 2012
    DFW, Texas

    Re: TA still low

    Welcome to TFP!
    Quote Originally Posted by Chu1ck
    Have added TA+ but I'm hesitant to add more Baking soda for fear my pH will skyrocket.
    Baking soda has virtually no effect on pH.

    Total alkalinity indicates the water's ability to buffer pH changes. If your pH is relatively stable, I would leave TA where it is, but I wouldn't let it get below 50 though. If you do need to increase TA, go ahead and add the proper amount of baking soda and don't worry about any adverse impact on pH.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
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  3. Back To Top    #3
    pwrstrk's Avatar
    Join Date
    Aug 2012
    Elverson Pa.

    Re: TA still low

    Yep leave TA alone. The higher the TA gets the faster PH raises.
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

  4. Back To Top    #4
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: TA still low

    How are you testing? The TA test in the recommended test kits does not result in a 50-70ppm range.

    BTW, please edit your signature to a max of 5 lines as stated in the Forum Rules for signatures. Thanks.
    Jason, TFP Moderator
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