Shake bottle vigorously before each application. Use at a rate of 1mL per 4 litres or 5mL per 20 litres of aquarium water. Do not overdose as plant damage may result . Results should be evident after 7 days. Maintain aeration and filtration during treatment.

Treatment may be repeated after 14 days if necessary. If algae persists consider decreasing the amount of light the aquarium receives and increasing the frequency of partial water changes.