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Thread: Small stains

  1. #1
    Senior Member
    Join Date
    Jul 2011
    Mesa Arizona

    Small stains

    Hey guys,
    I have my pool sparkling so far this year but last year before I found this site I had trouble with things. I had what I think is black algae and a few other things.
    I still have some very small dark spots on my plaster. Anything I can do to get those out?
    Mesa Arizona. Old school 26,000 gallon in ground plaster pool with sand filter built in 1984.

  2. #2
    Senior Member
    Join Date
    Aug 2010
    Dallas, TX

    Re: Small stains

    Try rubbing a trichlor tablet on them and see what that does.
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II T100 Sand Filter, CompuPool CPCS48 SWG, Borates at 50 ppm, TF-100 test kit

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