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Thread: Algae Stain I Think

  1. Back To Top    #1

    Join Date
    Aug 2016
    Westwood, MA

    Algae Stain I Think

    I think I have an algae stain in the pool. It won't brush off but I tried throwing a chlorine tablet on top of and it started to lighten disappear a little. The pool was a swamp after we came back from vacation. I got it so it's no longer green but the pool is still a little cloudy slowly clearing that. And there are browny/green mostly brown tint stains on the bottom and side of pool. Any advice on how to get rid of the stains? Can't just leave tablets on the stain cause that would take forever.

    About the pool I estimated 27,000 gallons using a pool calculator. And it's in the northeast, Massachusetts to be exact. It's a plaster pool uses chlorine recent test results from the pool store are.

    FC 5
    TC 5
    Calcium hardness 200
    CYA 20
    TA 100
    pH 7.4
    Copper 0
    Iron 0
    Total dissolved solid 600
    Phosphates 300

  2. Back To Top    #2

    In the Industry
    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Algae Stain I Think

    Welcome to the forum. Your stains have to be identified before they can be removed. Do you know how the stains got there? How long ago?
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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