API ALGAEFIX Algae Control Solution Kindly follow the dosing instructions as directed on the label and cap Effectively controls green water algae blooms Weekly doses of Algaefix will control algal growth and reduce aquarium maintenance A revolutionary product specially developed to control many types of algae in freshwater aquariums containing live fish and plants Effectively controls green water algae blooms Weekly doses of Algaefix will control algal growth and reduce aquarium maintenance A revolutionary product specially developed to control many types of algae in freshwater aquariums containing live fish and plants Colorless and non-corrosive can be used in freshwater aquariums containing live plants and fish