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Thread: New pool owner - Is this algae on my steps / walls?

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    New pool owner - Is this algae on my steps / walls?

    Hi,

    Thanks in advance for the help - this board and site have been a tremendous help for this newbie pool owner!

    I have a pool in a new home which I do not live in yet, so maintenance has been a challenge. My water actually looks really good, but I'm struggling with some stains on my walls and steps. Some of it brushes off, but not completely. Is this algae?

    FC: 3
    TAC: 3
    CH: 280
    CYA: 30
    TA: 90
    pH: 7.6

    Thanks!
    Tyson
    Attached Images Attached Images
    25G IG Plaster, DE Filter

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    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Location
    Sebring, Florida
    Posts
    30,077

    Re: New pool owner - Is this algae on my steps / walls?

    It a bit of a guess from a pic but it looks like it might be algae imbedded in calcium scale. Is it a bit rough to the touch? Do you have a wire brush?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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