Aquatopia's Algae Remover assists in the control of unwanted algae growth in freshwater aquariums and ponds. The active ingredient stops the development of algae spores which then suppresses the growth of algae throughout the aquarium or pond. Results should be visible within 7 days Aquatopia Algae Remover will not affect plants or fish when used as directed. Dosage: Add 1mL per 10L of aquarium or pond water to eliminate and suppress algae growth. If algae growth is severe and isn't eliminated in the first dose then repeat the procedure in 7 days from initial dose. For prevention halve the dose (1mL/20L) and add weekly. Do not overdose.