Penicillin is a broad spectrum antibiotic. it is effective against a number of pathogenic bacteria associated with ornamental fish diseases.
Can be used for pop-eyes, infected eyes, fin or tail rot, gill disease, columnaris disease, and skin ulcerations. Dosage administration add one tablet (500 mg) into aquarium for each 20 gallons of water to be treated.
Fish pen (penicillin 500mg) exerts a bactericidal action on gram-positive and some gram-negative bacteria.
