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Thread: SW pool is green, please help

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    SW pool is green, please help

    my sw pool is green. cartridge filter alk 180 ph 8.4 free cl 7.5 hrd 350 cya 60 help please

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    Mod Squad zea3's Avatar
    Join Date
    Jul 2009
    Houston, Texas

    Re: SW pool is green, please help

    Hi, welcome to TFP. I have a few questions so we can troubleshoot your problem. Do you know what the water temperature is currently? Can you tell if the SWG is generating any chlorine? Are there any lights on the display that are steady or blinking when the unit is turned on? What brand is the SWG? Any pictures you can post of your equipment will also help.
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    Join Date
    Jun 2012
    Howell, NJ

    Re: SW pool is green, please help

    Is it a clear green or is it a cloudy green? If clear, based on your high pH you have copper. If cloudy, you have algae. Either way, you are going to have to lower your pH. Have you been using anything that contains copper, like a mineral system or algaecide?
    7 year old ~13,500 gal 24' AGP with 1.5 hp Proline pump, 150 sqft Pleatco cartridge, filled with well water with pH of about 4.5.
    Wanda the Whale pool vacuum, home made heater, Taylor K-2006
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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: SW pool is green, please help

    Welcome to TFP!

    By the by, your PH is way too high. You need to keep PH below 8.0. Lowering TA will make keeping the PH under control easier.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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