Interpet anti hair algae 100ml destroys hair algae in aquariumsr hair algae is an unsightly nuisance in the aquarium it will grow on any surface and quickly prevents plants from flourishingr hair algae will thrive in any aquarium that has excess light and nutrientsr hair algae comes in many colours including green black and brownr anti hair algae helps to control hair algae helping to return your aquarium to its former gloryr use anti hair algae when brown green or black hair or grass