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Thread: Steadily Increasing PH

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    Join Date
    Jul 2013
    Location
    Grand Rapids, Michigan
    Posts
    55

    Steadily Increasing PH

    I've been struggling keeping my PH in the proper range all season and I'm not sure what I'm doing wrong. I've added Muratic Acid multiple times and it comes down butthen immediately creeps up again. Any advice is appreciated. Test results below.

    FC 4.0
    CC 0.0
    PH 8.3
    TA 150
    CH 280
    CYA 50
    Salt 3800
    Temp 81

    Thank you
    23,200 gallon in ground pool, Vinyl Liner, Salt Water, Variable Speed Pump Intelliflow 3hp/1.32SF/3.96 SFHP, Filter Pentair FNS PLus DE FNSP36, Heater Pentair Mastertemp 250, SWG Jandy APURE35PLG, TF-100 Test Kit

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    TFP Guide

    AimeeH's Avatar
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    Apr 2012
    Location
    Columbia SC
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    1,837

    Re: Steadily Increasing PH

    Hi there

    I strongly reccomend you make an effort to lower your TA. I'd shoot for 80 and see if your PH doesn't stabilize there. If not go a bit lower. It is a process. Pool School - Lower Total Alkalinity

    You'll want to Use MA to lower PH to 7.2 then aerate to bring PH back up then dose again with acid. Keep this process up until your TA is in a better range. Acid reduces PH and TA. Aerating increases PH without affecting TA.
    18*36*23 true "L" vinyl IG 29,000 gallons. SWG. TF-100 test kit.
    http://tftestkits.net/splash-page.html

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    Mod Squad tim5055's Avatar
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    May 2014
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    8,495

    Re: Steadily Increasing PH

    Aimee has it covered. Your high TA is your issue.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Join Date
    Jul 2013
    Location
    Grand Rapids, Michigan
    Posts
    55

    Re: Steadily Increasing PH

    Thank you. I'll give it a shot.
    23,200 gallon in ground pool, Vinyl Liner, Salt Water, Variable Speed Pump Intelliflow 3hp/1.32SF/3.96 SFHP, Filter Pentair FNS PLus DE FNSP36, Heater Pentair Mastertemp 250, SWG Jandy APURE35PLG, TF-100 Test Kit

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