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Thread: I'm not sure if this is algae or what?

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    I'm not sure if this is algae or what?

    I've done my routine annual battle to clear the swamp. I use 12% liquid chlor that I can get in 5 gallon jugs. I use this for daily chlorine maint, but also for shocking whenever a bloom starts. Sometimes I pick up the 1-pound bags of 63% cal hypo that Home Depot carries (Super Shock is the name) and add 4 pounds, but that is only during the spring swamp battle..

    At any rate, I have clear water, but this year I have what may be mustard algae on the vertical liner areas that will not respond to shocking, nor will it brush off. It is very tough. I've never had a growth that would not brush away.

    20x40 Inground rectangular Vinyl ~32000 gallons
    DE Filter
    Jandy Heat pump
    Location shady Northeast

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

    Re: I'm not sure if this is algae or what?

    That doesn't sound at all like algae. Is it rough feeling kinda like sandpaper?
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    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: I'm not sure if this is algae or what?

    You should post a full set of water test results.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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