USE: Probably the most powerful gram-negative anti-bacterial on the market today. Effective in fresh and salt water aquariums. Only 1 dose is usually required. One of the few drugs that is absorbed into the blood stream through the gills.
DOSAGE: 1/4 teaspoon per 40 gallons of water. Only one dose is necessary. Treat one time and leave in water for 7-10 days. If water changes are done, replace the medication according to how much water was changed.