black stains on liner

Algae problems in swimming pool water.
Green (cloudy) water or slimy pool walls.
Black algae. Mustard algae. Pink or white pool mold.

black stains on liner

Postby cthompson » Fri 08 Sep, 2006 07:49

I have a vinal liner in my pool. Several weeks ago we had algae which we treated then vacuumed. Now I have several black stains on the bottom of the liner. What can I do to get rid of these? We have tried chlorie and just plain old scrubbing and nothing is working.

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