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Thread: Algae AND iron

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    Algae AND iron

    Hi everyone,
    Another year of start up problems..lol...My pool was almost completely drained in closing by mistake by my loving brother. I had uncoered it this year to find a little algae so it took 2 days to fill it back up. In that time the algae grew and our water has alot of iron in it. So my question is do I try to kill the algae first or get rid of the iron first? The metal out stuff says you cant have chlorine in the pool when using it .
    22k gal, IG Grecian 4ft to 8ft.
    Hayward cartridge filter system w/nature 2
    2004 built vermiculite structure with vinyl liner

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    JasonLion's Avatar
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    May 2007
    Location
    Silver Spring, MD
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    37,879

    Re: Algae AND iron

    Add sequestrant and then shock the pool.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  3. Back To Top    #3

    Re: Algae AND iron

    I will do that thanks
    22k gal, IG Grecian 4ft to 8ft.
    Hayward cartridge filter system w/nature 2
    2004 built vermiculite structure with vinyl liner

  4. Back To Top    #4

    Re: Algae AND iron

    Ok so now I am confused more. I put the sequestrant and shocked the pool, at 9pm last night it was almost completely clear, so i set my chlorinator to full to kill the rest of the algae. I went to bed and thought when a get up I will vacuum and be ready for swimming. when i woke up my steps were brown again and the the water totally green in deep end and a cloudy green tint in low end. I checked my chlorine level is thru the roof. What did I do wrong? Or is there still metal in the water? My ph is high also, so I added decreaser. What else can I do?
    22k gal, IG Grecian 4ft to 8ft.
    Hayward cartridge filter system w/nature 2
    2004 built vermiculite structure with vinyl liner

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    Butterfly's Avatar
    Join Date
    May 2007
    Location
    South Carolina
    Posts
    10,045

    Re: Algae AND iron

    Can you post a full set of test results and tell us how you got them?




    A pic of the pool would also be helpful.
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  6. Back To Top    #6

    Re: Algae AND iron

    As for a pic i will try.. my camera is not that great. As for test results i have ordered a kit but hasnt come yet so i went and got new reagents at walmart for chlorine and ph for old kit till new one comes. There are no numbers to give because the color is beyond what is on the chart.
    22k gal, IG Grecian 4ft to 8ft.
    Hayward cartridge filter system w/nature 2
    2004 built vermiculite structure with vinyl liner

  7. Back To Top    #7

    Re: Algae AND iron

    thanks for your help. But the pool is clearing up again
    22k gal, IG Grecian 4ft to 8ft.
    Hayward cartridge filter system w/nature 2
    2004 built vermiculite structure with vinyl liner

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