Destroys and Controls Black Algae in Pools.
Extra strength to combat stubborn Black and
Green Algae.
Black out is a highly concentrated algaecide for treating stubborn black and green algae. Black “Spot” algae may appear due to a lack of brushing, poor filtration/ circulation, chemical balance, chlorine level maintenance and environmental impacts.
This product controls algae. For sanitation, a product containing chlorine must be used.
(Use only as directed)
