Asked in Home & GardenSwimming PoolsPool Care and Cleaning
What is the first sign of green and black algae?
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.