• Calculate the volume of your aquarium in litres: Length x Width x Depth/1,000. Alternatively,
• 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.

Warning:
The use of this product will colour the aquarium water green.  This colour will persist for at least one week and indicates that the active ingredients are present in the water.  After successful completion of the treatment, the remaining colour can be removed through partial water changes and/or use of Activated Carbon.