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Thread: One More Question About TA And PH

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    Join Date
    Jun 2010
    Location
    Tennessee
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    One More Question About TA And PH

    Been shocking over the last week my readings from TF-100 Test kit a few minutes ago are
    FC=9
    CC=0
    PH=7.2
    TA=100
    CYA=40
    Water is clearing I can now see the bottom...my question is, do I need to boost my PH up and what do I use...Borax?
    30' Round Vinyl AG, 21,200 K GAL. with Main drain, Hayward 1.5 HP Pump, Sand filter, BBB Method & TF~100 Test Kit

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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: One More Question About TA And PH

    You don't need to raise PH just at the moment, but if you want to anyway borax is a good thing to use.
    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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    Richard320's Avatar
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    Jan 2010
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    San Dimas, CA (LA County)
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    Re: One More Question About TA And PH

    Just enjoy the pool. A bunch of kids splashing around will aerate things and drive the pH up anyway.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Join Date
    Jun 2010
    Location
    Tennessee
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    Re: One More Question About TA And PH

    Okay it's been a week since I added the 5 lbs. of stabilizer....I did go ahead and up the ph ...my readings this a.m. were
    FC=9
    CC= 0
    PH=7.5
    TA = 110
    CYA= 50
    Water is clearing..got my son in there today to get the rest of the pine needles out and vacuum for me...maybe in a few more days the water will be clear enough to put the wedding cake stairs in.
    Thank you for all your help..I really appreciate it. Oh and I still have a about a dozen 3" trichlor pucks leftover...how much would this raise my CYA if I use them...I really don't want my CYA any higher?
    30' Round Vinyl AG, 21,200 K GAL. with Main drain, Hayward 1.5 HP Pump, Sand filter, BBB Method & TF~100 Test Kit

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    Administrator Leebo's Avatar
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    Jul 2011
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    Eastern Ohio
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    6,602

    Re: One More Question About TA And PH

    Using the pool Calculator and 7ounces per puck....

    Raise FC by 27 and CYA by 17. Lower PH by 1.47

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