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Thread: milky/cloudy water

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    klavant's Avatar
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    milky/cloudy water

    I can seem to clear my pool this year. 10K Gal, Vinyl AG.

    FC=25
    CC=.5
    PH=7.2
    TA=100
    CYA=100

    I have used 5lbs of powdered trichlor shock since opening about 2 weeks ago. It went from green to white in just over 24 hrs a week or two back, but I cant seem to get the white cloudiness to clear out.

    Thoughts? I guess CYA seems high, not sure if the powdered shock did that or not.
    Kurt
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    9,600 Gal. AG Vinyl
    Hayward C900 Cart filter
    2 speed pump (0.5/2.0 HP)

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    Mod Squad jblizzle's Avatar
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    Re: milky/cloudy water

    If you are using Dichlor or Trichlor, Then yes it raised your CYA which is now way too high. You should replace at least half the water and then follow the SLAM process using only liquid chlorine.
    Jason, TFP Moderator
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    klavant's Avatar
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    Re: milky/cloudy water

    I was afraid of that....
    Kurt
    _______________________
    9,600 Gal. AG Vinyl
    Hayward C900 Cart filter
    2 speed pump (0.5/2.0 HP)

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    Richard320's Avatar
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    Re: milky/cloudy water

    Sadly, I have to agree with Jason ^^^

    25 FC seems like it would be high enough, but Shock level for 100 CYA is 39 FC

    And the reality is, the way the graduations get closer on the CYA tube, that a reading of 100 CYA might actually be 120 or 150. Recheck that using the dilution method in Extended Directions, post 8, step 9 so that if you do drain, you drain enough. Remember to leave a foot or so in the shallowest part of the pool so the liner doesn't shift.

    If there is any debris in the bottom, you want to remove it. You probably don't have a multiport valve that will allow you to vacuum to waste, but others have had success both lowering the water level and vacuuming by setting up a siphon with the vacuum hose and sucking the water up from the bottom whisking away any sludge hiding down there.
    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.
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    klavant's Avatar
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    Re: milky/cloudy water

    OK, here's the update. I think I am winning. As of today:

    FC=3
    CC=0
    PH=7.4
    TA=70/80 (depending on definition of "turning red")
    CYA=70ish

    Water has cleared slowly, but there is progress. Just now, it looks the best it has so far. I'll just maintain from here.
    Kurt
    _______________________
    9,600 Gal. AG Vinyl
    Hayward C900 Cart filter
    2 speed pump (0.5/2.0 HP)

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    Mod Squad jblizzle's Avatar
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    Re: milky/cloudy water

    Get that FC back up to shock level of 28ppm and keep it there. Sounds like great progress.

    In all of the tests, you should add drops until the last one causes no further color change, and then do not count that last drop.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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