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Thread: Smooth plaster turned into sandpaper

  1. 05-08-2006 11:09 PM #1
    FatKid44
    FatKid44 is offline --General User-- FatKid44 0
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    Default Smooth plaster turned into sandpaper

    My 3 yr. old concrete pool has what looks like rock salt all over the plaster. I had the water tested by two different pool stores and both said it looked normal except the ph was 8.0 which I expected after sitting all winter, it was 7.3 when I closed it in Sept. What can I do to get it off and why did this happen??? If the only solution is acid wash can someone post basic instructions. I am a heavy duty diy'er. Thx for any help.
  2. 05-09-2006 01:09 AM #2
    imfignewton
    imfignewton is offline Registered+ Weir Watcher imfignewton 0
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    Default Re: Smooth plaster turned into sandpaper

    Do not acid wash the plaster it will just eat at the finish. The best solution is to polish the finish with a pneumatic diamond polisher or a waterfed diamond polisher.
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