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Home & Garden
Swimming Pools
Pool Care and Cleaning

What is the first sign of green and black algae?

Answer

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Wiki User
August 05, 2008 3:19AM

Black algae shows itself as small black spots on the pools floor walls and fittings untreated they grow.

Green Algae often starts as a greenish tinge on the walls or other surfaces of the pool and spreads into the water making it turn green if left untreated.