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Thread: Chlorine level non-existent with SWG

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    Chlorine level non-existent with SWG

    I have added chlorine stabilizer to the IG pool 24 hours ago & cleaned the cells in my Jandy Aquapure 700, then 6 hours ago I set the control panel to chlorine boost & still have no chlorine registering. The pool is still very clear, but am wondering how long it might take to produce chlorine?

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    Mod Squad Bama Rambler's Avatar
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    Re: CHLORINE LEVEL NON-EXISTENT WITH SWG

    Post a full set of test results and how you got them?
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    Re: CHLORINE LEVEL NON-EXISTENT WITH SWG

    Took water to pool supply store and the results were:
    Free chlorine 0.0ppm
    total chlorine 0.1ppm
    ph 7.9ppm
    hardness 200ppm
    alkalinity 87ppm
    cyanuric acid 10ppm
    salt 4000.00

    So I added 4lbs of cyanuric acid 24 hours ago.

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    dmanb2b's Avatar
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    Re: CHLORINE LEVEL NON-EXISTENT WITH SWG

    Please don't use all caps

    Good move on CYA...how large is your pool?

    Since FC is basically zero, you may need to shock...but before we can determine that you need to get the chlorine level up asap with liquid chlorine. SWGs are good at mainatining FC when there is enough CYA in the water and there is no need to shock. But to raise FC from zero, you want to do that quickly without taxing the SWG.
    24'x52" AGP (13,500 Gallons), Intex SWG, (2)Solar Bear 4x20 panels, Hayward S220T Filter, 1/2hp Pentair Superflo

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    Re: CHLORINE LEVEL NON-EXISTENT WITH SWG

    Thank you for the help. I got liquid chlorine and the chems are perfect right now, but will give it another day to make sure the chlorine stays int he pool. Is it safe to assume that if it fully burns off, then I have an issue with the cells in the SWG?

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    JasonLion's Avatar
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    Re: Chlorine level non-existent with SWG

    If the pool can go overnight without losing any chlorine, with the SWG off, and then when you turn the SWG on it loses chlorine quickly, then something is wrong with the SWG.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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