Talk of The Villages Florida - View Single Post - Black Algae on Concrete
Thread: Black Algae on Concrete
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Old 11-15-2022, 01:33 PM
Tyrone Shoelaces Tyrone Shoelaces is offline
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I used a surface cleaner once a year because the stains and mold always came back.
Then I sealed it with this..
Amazon.com
No stains in three years.