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Thread: Crystal clear pool until you get in it then it clouds up

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    Crystal clear pool until you get in it then it clouds up

    My pool stays crystal clear all the time. Well that is until people get in to swim then it clouds up after just a bit of splashing around. Not super cloudy but enough you can't see bottom on the deep end. After swimming is down, it take about 24-36 hours then it is crystal clear again. All my water parameters are great according to TFP's calculator. (I don't have exact number right now)

    Is this normal or do I possibly have a problem?
    20K gal IG Plaster pool with Sand Filter, single speed 3/4 HP pump, Polaris 280 Pressure Cleaner, Pool built/installed ~2003

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    cowboycasey's Avatar
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    Re: Crystal clear pool until you get in it then it clouds up

    post up some numbers so we can see, it may be a high CH but lets see what you have
    Pool: Intex 16x32 15000 gal, 2 speed 340042, Pentair CC320 Filter, CircuPool SJ45 Salt System, Intermatic PE653RC; Hot Tub: 650 Gal SWG Megachlor
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    duraleigh's Avatar
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    Re: Crystal clear pool until you get in it then it clouds up

    Yeah, tell us at what level you normally run your chlorine? That is a very fixable issue.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Crystal clear pool until you get in it then it clouds up

    Sorry it took me so long to get back.

    Current check of numbers at dusk. Last time I added chlorine was last night about 9pm.

    FC : 7.4
    CC : 0
    PH : 7.6
    TA : 90
    CH : 320
    CYA : 30
    Borate : 50*
    Water temp : 86F

    * I only estimate the borate level to be 50. As of right now I have no way to test for borates and estimate 50 because I followed the recommended dose of boric acid to achieve a borate level of 50. What testing method do you recommend? What strips?

    According to the TFP pool math calculator, all of those number are good for a plaster pool using liquid chlorine.

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    Re: Crystal clear pool until you get in it then it clouds up

    Any input?

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    Mr Bruce's Avatar
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    Re: Crystal clear pool until you get in it then it clouds up

    Just throwing out ideas. Is it possible dirt or pollen is getting stirred up off the bottom? Can you replicate by brushing or running a robot if you have one?
    32K gallon Plaster - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart

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    Re: Crystal clear pool until you get in it then it clouds up

    I thought of that. Nope I can run the Polaris for hours and still crystal clear.
    Last edited by JohnnyW; 06-02-2016 at 04:04 PM. Reason: Misspelling

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    Richard320's Avatar
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    Re: Crystal clear pool until you get in it then it clouds up

    That sounds like insufficient brushing to me.

    You're letting your guests loosen the dust that's stuck to the walls instead of the brush. If I slack off, when I do brush, the water can look pretty hazy for a couple hours afterwards.
    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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