Victoria Green, Acriflavine.
Add one tablet to each 10 gallons of aquarium water.
Note: For aquariums 40 gallons or larger, and for soft and/or acid water with low alkalinity, dissolve tablets before adding to aquarium. Remove carbon from filter during use. If ick persists, treat every 24 hours until it clears. Change 25% of the water before adding new dose.
* Ingredients and dosage listed are for informational purposes only and are subject to change by the manufacturer. Always refer to the manufacturer and actual product label/inserts for current ingredients, recommended dosage, precautions and warnings before use.