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Thread: What is this on my walls?

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    What is this on my walls?




    built 4/08/2000 16 x32 460 Sq FT Pool 16,000 gallons 3.5 ft 5 ft 3.5 ft sport pool

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    Sandra B's Avatar
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    Re: What is this on my walls?

    It looks like calcium to me....I have some of the same. Have you run a full set of tests? Curious what your Calcium Hardness is.
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    Mod Squad YippeeSkippy's Avatar
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    Re: What is this on my walls?

    Does it rub off? Is it slimy feeling or rough feeling? Is this a gunite pool, vinyl or fiberglass? What are your test results? What chemicals are you adding to the pool?
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    Patrick_B's Avatar
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    Re: What is this on my walls?

    It's an IG plaster finish pool, with what appears to be calcium scaling. Results may be helpful 4x4, so please post them up as soon as you can, and a little history of results would be very good if you have some.
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    Re: What is this on my walls?

    It's not slimy its hard as a rock..will post numbers when I get them ..its a if gunite pool


    built 4/08/2000 16 x32 460 Sq FT Pool 16,000 gallons 3.5 ft 5 ft 3.5 ft sport pool

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    Re: What is this on my walls?

    Numbers
    Fac 0
    Tac 0
    Ch 230
    Cya 60
    Ta 100
    Ph 7.4
    Pho 200


    built 4/08/2000 16 x32 460 Sq FT Pool 16,000 gallons 3.5 ft 5 ft 3.5 ft sport pool

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    Re: What is this on my walls?

    Man this looks to familiar....

    If you run your hand along the wall, does the darker areas feel smooth and the whiter areas feel rough and indented like pitting?

    It really looks like my pool a couple months ago before i had it re-surfaced. The 35 year old plaster was stained and pitting. Check out the first few pics here: Startup questions after pebblesheen application
    24,000 Gal, IG PebbleSheen, Born In 1978, refinished 2015.
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    Re: What is this on my walls?

    Quote Originally Posted by Noreaster View Post
    Man this looks to familiar....

    If you run your hand along the wall, does the darker areas feel smooth and the whiter areas feel rough and indented like pitting?

    It really looks like my pool a couple months ago before i had it re-surfaced. The 35 year old plaster was stained and pitting. Check out the first few pics here: Startup questions after pebblesheen application
    Yep exactly like that..I'm sure that's what it means for me..new plaster


    built 4/08/2000 16 x32 460 Sq FT Pool 16,000 gallons 3.5 ft 5 ft 3.5 ft sport pool

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