Black Algae?
Black Algae?
My pool has a big problem, 1/2 of the bottom is stained, looks like dirt but a brush won't touch it. I figure it's algae. shocked it them bought some black algaecide and used the whole bottle, didn't touch it. I brushed it before I treated it. any help would be great.
i had same problem except we just recently moved into a house(rental) and the whole pool was covered in black algae.. we drained the pool and used a pressure washer to remove it.. it removed most of it.. then use a actual chlorine tablet and scrub the algae with that.. you can also use a wire brush .. but be careful not to mess up the plaster.
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