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Thread: pH problem?

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    Join Date
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    pH problem?

    New fill this week and I am in the process of adding CYA (about 10 ppm now). My pH is at 7.2 right now with a TA of 90. Should I be adding soda ash now or wait until I add another 2 pounds of CYA? On a related note, where do you buy soda ash and how do you add it? I have been doing sock method for CYA.
    14k gal, AG, 1hp waterway, sand, heat pump, 7/16/2014 install

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    Mod Squad jblizzle's Avatar
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    Re: pH problem?

    You could aerate to raise the pH. Or use borax or soda ash / washing soda ... both found in the laundry aisle.

    This is how to add chemicals: Recommended Pool Chemicals
    Jason, TFP Moderator
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    Mod Squad tim5055's Avatar
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    Re: pH problem?

    Quote Originally Posted by Badchemeng View Post
    New fill this week and I am in the process of adding CYA (about 10 ppm now). My pH is at 7.2 right now with a TA of 90. Should I be adding soda ash now or wait until I add another 2 pounds of CYA? On a related note, where do you buy soda ash and how do you add it? I have been doing sock method for CYA.
    The Pool School knows all...

    Soda ash is available as ARM & HAMMERŪ Super Washing Soda Detergent Booster. Do not confuse this with ARM & HAMMERŪ laundry detergent! It is sold in the laundry detergent section of most larger grocery stores and some big box stores. It is also sold by pool stores under various names, including PH Increaser, PH Up, Balance Pak 200, etc. Soda ash is best added by pre-dissolving it in a bucket of water and then pouring that slowly in front of a return.
    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 2014
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    Macomb, MI
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    Re: pH problem?

    well now I just feel dumb
    14k gal, AG, 1hp waterway, sand, heat pump, 7/16/2014 install

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