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Thread: Low pH cause cloudiness?

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    Low pH cause cloudiness?

    I have been doing a SLAM for 7 days. Started with a very green pool. Went from green to milky blue quickly. The milkiness seems to have gone away but it is still extremely cloudy. I messed up when I began the SLAM and forgot about the pH and just brought the chlorine level up to 16 for a CYA of 40. My pH is registering low at 6.8 to 7.2-ish with the chlorine at 16. Could the low pH be causing the cloudiness to linger.
    Test results
    Cl: 16
    CC: .5
    TA: 70
    CH: 75
    CYA: 40
    ps....all of these results except the chlorine of course are with a chlorine reading of 13.5.
    Thanks!

    10,470 gallons @ 90%; 22' x 52" Intex Ultra Frame; cartridge filter 633T; May 2015

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    Mod Squad jblizzle's Avatar
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    Re: Low pH cause cloudiness?

    Yikes, your pH must be very low and could be damaging the liner. I would let the FC drop under 10ppm and get the pH fixed.

    Those Intex cartridge filters are SLOW!!! at clearing up a pool. Are you using Intex cartridges or one of the much better reusable aftermarket ones?
    Although, I would seriously consider an upgrade to one of the sand filters.
    Jason, TFP Moderator
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    Re: Low pH cause cloudiness?

    Oh no....how fast can it damage the liner?

    10,470 gallons @ 90%; 22' x 52" Intex Ultra Frame; cartridge filter 633T; May 2015

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    Re: Low pH cause cloudiness?

    I have been using the cartridges from walmart.

    10,470 gallons @ 90%; 22' x 52" Intex Ultra Frame; cartridge filter 633T; May 2015

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    frustratedpoolmom's Avatar
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    Re: Low pH cause cloudiness?

    Takes awhile. (to cause damage from low PH). How long has it been low that you know of?

    The cloudiness is from the filter system. Inadequate to clear up a swamp pool. Replacing the cartridges (not rinsing or reusing) is virtually the only way I'm aware of.

    I 2nd the advice to upgrade.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    Mod Squad jblizzle's Avatar
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    Re: Low pH cause cloudiness?

    At an absolute minimum you need to get one of the aftermarket (non-Intex) cartridges ... somewhere there is a thread with the correct part numbers.

    But an Intex sand filter with a larger pump would made a HUGE difference.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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    Re: Low pH cause cloudiness?

    Going out on a limb here, but I would add a little -not too much- borax (to raise pH) NOW while you wait for FC to drop. Just IMHO.

    - - - Updated - - -

    We are concerned because pH reads falsely HIGH at elevated FC levels. So your low pH is worrisome. Borax is just 20 Mule Team in most any laundry aisle.

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    Re: Low pH cause cloudiness?

    I have added 24 oz of borax...will let the chlorine drop and adjust the pH to 7.5? at that time.

    10,470 gallons @ 90%; 22' x 52" Intex Ultra Frame; cartridge filter 633T; May 2015

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    Re: Low pH cause cloudiness?

    Just checked...will adjust 7.2 - 7.4

    10,470 gallons @ 90%; 22' x 52" Intex Ultra Frame; cartridge filter 633T; May 2015

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    Re: Low pH cause cloudiness?

    Yup. Good job having Borax on hand! Phew! 7.2-7.4 is where you want pH for your slam. Just take the borax additions bit by bit until FC lowers for accurate testing. Yay, you.

  11. Back To Top    #11

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    Re: Low pH cause cloudiness?

    Thanks! I knew I wanted to take care of my pool this way, just didn't realize these kind of pools aren't made to come back from the brink really well. It probably would've been cheaper to dump it and start fresh....still may end up being what happens.

    10,470 gallons @ 90%; 22' x 52" Intex Ultra Frame; cartridge filter 633T; May 2015

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