Furanase is a tried, tested, and highly effective medication for treating mouth fungus, fin/tail rot, and black molly disease. Trusted by hobbyists and professionals, for freshwater and marine. Does not affect plants.

Instructions:
Remove carbon from filter. Using a disosable cup, fill halfway with aquarium water. Dissolve 2 tablets for every 10 gallons the first day, 1 tablet for every 10 gallons the following 3 days. After the treatment has been effective, change 50 percent of the aquarium water.

Specifications:
May harm beneficial bacteria. Use Biozyme to restore beneficial bacteria.