Aquarium Products Gel Tek Penicillin Medication Fish Eat (2 fl.oz.)

Benefits Penicillin is a broad spectrum bactericidal antibiotic that exerts anti-bacterial action on susceptible organisms. It is effective against a number of gram-positive and gram-negative bacteria associated with fish diseases. Use for fin rot, cloudy or bulging eyes, mouth sores, bacterial infections, and septicemia. Gel-Tek is safe for plants, reef tanks and biological filters.