Effectively controls many types of green, string, or hair algae and blanketweed in ponds that contain live plants. Controls existing algae and helps resolve additional algae blooms.

Colors the water an attractive blue-green, blocking out the sunlight needed for the growth of algae & underwater weeds in ponds not filtered with activated carbon. Can be used with aquatic floating plants & marginal or bog plants. One treatment lasts up to 4 months.

Aquarium Pharmaceuticals Pond Algae Destroyer is specially formulated to control the growth of algae in ornamental ponds that do not contain plants. Discourages beard algae and hair algae and helps eliminate algae blooms. Helps keep pond water clear and sparkling. Not to be shipped outside the US.