Anti Hair Algae 125ml Hair Algae, whether it is green, black or brown, is an unsightly nuisance in your aquarium. It will grow on any surface and prevent plants from flourishing. Anti Hair Algae makes key nutrients unavailable and starves the algae Hair Algae thrives when there is excess light and nutrients available. Dosage: 1ml of Anti Hair Algae treats 9L (2gals).
