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Thread: Where the heck is my Chlorine??

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    In the Industry

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    Jul 2011
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    Myrtle Beach, SC aka Redneck Riveria
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    Where the heck is my Chlorine??

    OK, I posted a few days ago about the milky water coming out of my returns at a commercial pool of mine. Called Hayward and they said it was metals in the water. Nuked it with Metal Klear from Sea Klear and that fixed the milky problem BUT I have 0 chlorine in pool

    FC - 0.0
    TC - 0.0
    pH - 7.5
    TA - 80
    CH - 240
    CYA - 80
    Phosphates - 200 Added 1/2 quart of Phosphate remover tonight.

    I know the manual says it's best to start with a chlorine level. But I should have some ch in the water.

    I circumvented the flow sensor and placed the cell in a 5 gallon bucket of water & in less then a minute had a 15 ppm level in the bucket, so I know the cell is working. I have it set at 100% now and will check it in the AM but I'm stumped.

    Thanks for any input.
    "When your pool is sick, call the doctor, I make house calls"
    One stop pool shop, I do everything but install them. 9+ years of experience.

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    duraleigh's Avatar
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    Apr 2007
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    Sebring, Florida
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    Re: Where the heck is my Chlorine??

    Reestablish your chlorine with bleach. It will be difficult for the SWG to bring your FC up on it's own. If you get the FC up with bleach and the SWG still can't maintain the correct FC level you likely have an algae bloom.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    JasonLion's Avatar
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    Silver Spring, MD
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    Re: Where the heck is my Chlorine??

    You need to shock the pool to burn off whatever it is that is using up your chlorine.

    Situations like this are actually fairly common. Don't assume that the SWG can take care of it on it's own. You need to manually add chlorine to shock level until you can maintain an appropriate FC level.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  4. Back To Top    #4

    In the Industry

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    Jul 2011
    Location
    Myrtle Beach, SC aka Redneck Riveria
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    Re: Where the heck is my Chlorine??

    Actually had a chlorine reading today. 1.5 Still hit it with 3 gallons of 12%. Will update tomorrow.
    "When your pool is sick, call the doctor, I make house calls"
    One stop pool shop, I do everything but install them. 9+ years of experience.

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