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Thread: Green algae in my salt water pool

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    Green algae in my salt water pool


    I have a round 16' above ground Intex Pool. I recently bought a new salt water system and it worked great for a week, but now I keep getting a low flow warning. I'm pretty sure it's because my other pump isn't big enough as far as gallons per hour. So, I've ordered a new pump with a much higher flow rate, but it won't be here for a week. In the mean time, my salt water pool is now green because the salt water system hasn't made any clorine in a few weeks. So, my questions: How do I get it clean? Should I disconnect the salt water pump until I get then new pump up and running? Or do I just drain it and start from scratch?

    Any help would be greatly appreciated,
    dianne in Bucks County, Penna
    44,000 gallon bare concrete inground pool
    dolphin diagnostic pool cleaner
    pac-fab 48 sq ft. d.e filter
    96 gpm flow rate

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    kenmar's Avatar
    Join Date
    Apr 2009
    Schnecksville, PA

    Re: Green algae in my salt water pool

    Read Pool School
    Get a good test kit (TF-100), have your water tested at a pool store (and post the results here)
    Add liquid chlorine until you can figure out what is going on with your SWG.
    20'x40' / 30,000 Gal / In Ground / Vinyl
    Pentair FNS 48 DE Filter / Pentair Challenger 1.5 HP Pump
    Jandy Lite2 400k BTU Propane Heater / Dolphin Dynamic cleaning robot
    TF-100 Test Kit / BBB
    Creator of SimplePool (BBB Friendly Android App)

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    frustratedpoolmom's Avatar
    Join Date
    May 2007
    SWSuburban Chicago, IL

    Re: Green algae in my salt water pool

    If your pool is around 5,000 gallons or less, then yes, I would drain and start over.

    Use liquid chlorine when the SWG isn't operating.

    If you don't drain, then post a full set of test results.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner

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