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Thread: Still battling algae grrrrrrrrrrrrrrrr

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    wjaneala's Avatar
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    Still battling algae grrrrrrrrrrrrrrrr

    So, I'm still battling algae. I thought I was finished, was going to vacuum tonight and be done and clear, but the stuff on the bottom that I thought was dead was not. It barely came up with the vacuum. I had to scrub, and I mean scrub hard, to get this stuff up. And when I did, it became these dark green, almost black pieces of nastiness floating in the water. Now I have a pool full of that junk. Back to slamming I go! Has anyone else ever seen algae like that?

    Wendy
    1980s 20x40 in-ground beast, 36K gallons, 4' - 8', vinyl liner, Sand Dollar sand filter, two skimmers, bottom drain, three returns
    TF-100 Test Kit

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    Mod Squad pooldv's Avatar
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    Re: Still battling algae grrrrrrrrrrrrrrrr

    Uh-oh, sounds like you might have the dreaded black algae.

    More here, Pool School - Black Algae
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    wjaneala's Avatar
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    Re: Still battling algae grrrrrrrrrrrrrrrr

    Is that possible in a vinyl pool?
    Wendy
    1980s 20x40 in-ground beast, 36K gallons, 4' - 8', vinyl liner, Sand Dollar sand filter, two skimmers, bottom drain, three returns
    TF-100 Test Kit

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    Re: Still battling algae grrrrrrrrrrrrrrrr

    Can you post a pic and a full set of your test readings?
    26' X 52" Intex Ultra Frame. Intex Sand Filter
    26' X 52 Intex Ultra Frame Install
    You can lead a horse to (clear) water, but you can't force him to swim in it!

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    wjaneala's Avatar
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    Re: Still battling algae grrrrrrrrrrrrrrrr

    Well, good news is that today when I scrubbed it, it was a brown cloud instead of black flakes!

    That freaked me out last night, and I dumped 10 bottles of bleach in last night and two this afternoon.

    I just tested:

    FC 20
    CC .5
    CYA 30
    pH 7.5
    Wendy
    1980s 20x40 in-ground beast, 36K gallons, 4' - 8', vinyl liner, Sand Dollar sand filter, two skimmers, bottom drain, three returns
    TF-100 Test Kit

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    Re: Still battling algae grrrrrrrrrrrrrrrr

    With a CYA of 30, your slam level is 12. Going too much over is not worth it both for your wallet and the liner. But no worries. You got this!

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    wjaneala's Avatar
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    Re: Still battling algae grrrrrrrrrrrrrrrr

    yeah, I know. I just kind of freaked out at the nastiness. LOL I think I have effectively killed it.ha!
    Wendy
    1980s 20x40 in-ground beast, 36K gallons, 4' - 8', vinyl liner, Sand Dollar sand filter, two skimmers, bottom drain, three returns
    TF-100 Test Kit

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    Re: Still battling algae grrrrrrrrrrrrrrrr

    You go!!! Don't mean to dump on your parade, but a one time dose doesn't solve the algae problem. See: Pool School - SLAM - Shock Level And Maintain

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    wjaneala's Avatar
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    Re: Still battling algae grrrrrrrrrrrrrrrr

    I know. I am prepared. I swear, the lady at Wal-Mart must have thought I was trying to clean up a murder scene!
    Wendy
    1980s 20x40 in-ground beast, 36K gallons, 4' - 8', vinyl liner, Sand Dollar sand filter, two skimmers, bottom drain, three returns
    TF-100 Test Kit

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    Re: Still battling algae grrrrrrrrrrrrrrrr

    Hahaha! Luckily I can get 12.5% at a pool store for $2.50 a gallon. No nasty looks!

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    wjaneala's Avatar
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    Re: Still battling algae grrrrrrrrrrrrrrrr

    Wendy
    1980s 20x40 in-ground beast, 36K gallons, 4' - 8', vinyl liner, Sand Dollar sand filter, two skimmers, bottom drain, three returns
    TF-100 Test Kit

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    Mod Squad pooldv's Avatar
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    Re: Still battling algae grrrrrrrrrrrrrrrr

    Very nice! Pool looks great!
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    Re: Still battling algae grrrrrrrrrrrrrrrr

    Yay!!!

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