•Calculate the volume of your aquarium in litres: Length x Width x Depth/1,000. Alternatively, use our Dosage Calculator to help you.
•Shake the bottle thoroughly before use.
•Mix required dose of treatment with 1 litre of aquarium water.
•Add slowly to aquarium.
•After 7 days change 1/3 of the water and continue water changes weekly until the colour has gone.