Description Malachite Green is effective in treating external parasitic, protozoan and fungal infections of fishes, and will also remove existing fungal growth from fish eggs. Removes Fungus From Fish Use When Caring for Fish Eggs With Fungus Expels Parasites and Protozoa For Use in Freshwater and Marine Aquariums For Professional Use Directions Remove activated carbon from filter before treating. GENERAL USE: Add 1 cap (1 tsp/5 ml) per 10 U.S. Gallons (38 L) FOR SENSITIVE FISH (Catfish, loaches, mormyrids, dwarf cichlids, barbs, gouramis and tetras): Add ½ cap (½ tsp/2.5 ml) per 10 U.S. Gallons (38 L) DIPS FOR FISH EGGS: Add 1 cap (1 tsp/5ml) to a 1 gallon (3.8 L) container of water from the breeding system. Use an airstone or water pump to create aeration and water flow. Dip eggs into bath for a maximum of 10 seconds. Immediately replace eggs into breeding system. Treat eggs one time only; do not repeat treatment. After treatment, perform a minimum 25% water change after 24 hours. Add new carbon to filter to remove Malachite Green from the system. If fungus persists, a second treatment may be necessary
