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Thread: Water mold/pink slime

  1. Back To Top    #1

    Join Date
    Jul 2007
    Location
    Indiana
    Posts
    57

    Water mold/pink slime

    I opened my auto cover in early February and found the water had already gone cloudy. Not cold enough of a winter. I'm a BBB 'B'eleiver.

    When the temps were in the low 80's in early March and no cold temps on the horizon I decided it was time to open. The first thing I saw (other than the cloud hadn't gotten any better) was white tissue looking stuff floating around along with a thick pink slimey ring around the scum line. So I dipped a lot of it out with the skimmer net along with the usual worms, spiders and rolly-pollys.

    The folks at the pool store told me it was 'water mold' and said I better get my filter cleaned out and do a good shocking and brushing.

    I had already been keeping the chlorine level up 12-15 for a cya of 10ppm and had been brushing everyday. Today I cleaned the filter element with cascade followed by a bleach/water soaking. Also washed literally everything else with a pool cleanser and bleach water rinse. Found some more pink slime and white 'water mold' hiding behind the skimmer face trim plate.

    Today I'd say my water is about 90% clear. Numbers look good (still keeping chlorine between 12-15).

    Thats my story. Now my question.

    Anything else I should be doing about the water mold and pink slime?
    14'x28' in ground with vinyl liner and a new sand filter (2015).

  2. Back To Top    #2
    Lershac's Avatar
    Join Date
    May 2007
    Location
    Baton Rouge, LA
    Posts
    1,215

    Re: Water mold/pink slime

    Nah the bleach and brushing will take care of it. Make sure you are done with an overnight free chlorine loss test! Most importantly we need some pics!
    (DIY):16K Gal 20X30 rectangular IG Gunite, w/spa, CCP 520 filter,2 Pentair VS pumps, 400KBTU Pentair gas heater, Heat Pump for cooling, **update5.25.2013** added an intellichem with acid pump that will control existing SWG. My Build Thread Here

  3. Back To Top    #3

    Join Date
    Jul 2007
    Location
    Indiana
    Posts
    57

    Re: Water mold/pink slime

    Thanks for the quick reply Lershac!

    What's an overnight free chlorine loss test? I took a quick look around the forum and don't see the topic, though I'm sure it's here somewhere.

    I'm a little tech challenged about the photo attachment, will have to wait until my son gets back!
    Thanks again.
    14'x28' in ground with vinyl liner and a new sand filter (2015).

  4. Back To Top    #4

    Join Date
    Oct 2011
    Location
    New Caney, Texas
    Posts
    414

    Re: Water mold/pink slime

    18' x 42" Intex (4786 Gal @ 80% capacity) Intex 8110 SWCG, 2000 GPH cartridge filter.
    Full Sun, Well Water, Borates at approx. 50
    TFTestKit-100--The Pool Calculator--Pool School

  5. Back To Top    #5

    Join Date
    Jul 2007
    Location
    Indiana
    Posts
    57

    Re: Water mold/pink slime

    Hi George,

    Thanks for that! It makes perfect sense. I've still got a slight haze in the water and expect the test will indicate chlorine consumption.

    Think I'll wait another day or two and when it looks cleared up, then try it and know for sure!

    Thanks again.
    14'x28' in ground with vinyl liner and a new sand filter (2015).

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