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Thread: TA and pH questions

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    Join Date
    Jun 2013
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    Newcastle, Oklahoma
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    TA and pH questions

    so tested my pool for everything but CYA and pH about 30 minutes ago

    FC - .5 -- shooting for 6 and with no CYA my 50 oz of bleach this morning is gone (no surprise) so i added 55 more per pool calc

    pH - was 7.7 this a.m, went off that figure. starting to think maybe i should have retested (or at least posted here and asked!! ) before i dealt with the next one:

    TA - 60. shooting for 100 so added 48 oz of baking soda per pool calc


    here is my question - at 7.7 pH pool calc says add 2.9 oz muratic acid. well, dont have any yet and pool store not open til tomorrow. (hate to drive 20 miles to nearest HD or Lowes for a bottle. dang walmart for not carrying it.

    since i just added all that baking soda, and i noticed afterwards that pool calc notes that baking soda will increase pH as well as TA, is my pools pH gonna shoot through the roof by morning?

    should i try to find some muratic acid or pH minus (i know its general opinion not to use that) or should i just chill and retest everything tomorrow morning?

    thanks! about the time i think im getting the hang of this pool chemistry thing.... this happens. learning process i guess...
    Partially buried Doughboy Desert Spring 16 x 32, sport pool, with 7 ft deep middle, 20,000 gallons, Hayward Powerflo Matrix 1.5 HP 2 speed pump, 250 lb sandfilter, 2 Doughboy skimmers and 2 returns. 2 cascade fountains.
    Taylor K-2006 kit. Zodiac Barracuda Ranger suction side cleaner.
    TFPC method and is crystal clear every day thanks to TFP!!!

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    Richard320's Avatar
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    Re: TA and pH questions

    Effects of adding chemicals on pool calculator shows pH will only rise by about .06. You haven;t done anything that requires immediate action.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Join Date
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    Re: TA and pH questions

    cool. thank you sir. ill retest FC and pH in the morning.

    hmm... i need to play with that pool calc some more.. didnt know i could see effects of chemicals.
    Partially buried Doughboy Desert Spring 16 x 32, sport pool, with 7 ft deep middle, 20,000 gallons, Hayward Powerflo Matrix 1.5 HP 2 speed pump, 250 lb sandfilter, 2 Doughboy skimmers and 2 returns. 2 cascade fountains.
    Taylor K-2006 kit. Zodiac Barracuda Ranger suction side cleaner.
    TFPC method and is crystal clear every day thanks to TFP!!!

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    BoDarville's Avatar
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    Jun 2012
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    Re: TA and pH questions

    Quote Originally Posted by gtnos
    so tested my pool for everything but CYA and pH about 30 minutes ago
    Do you have a way to test the CYA level? If not, here is a comparison of the recommended Test Kits. CYA is a critical parameter and the proper FC level depends on the pool's CYA level.
    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
    A good test kit is an investment, not an expense.

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