Aqua-Zole (Metronidazole) is a broad spectrum antibiotic used to control common bacterial infection in fish. It exerts a bactericidal action on gram positive and some gram negative bacteria. It is useful for the control of bacterial diseases of fish, which include Aeromonas and Pseudomonas Genera and Mysobacterial Group (Gill Diseases, Chondrococcus).
Add contents of one capsule (250 mg) into aquarium for each 10 gallons of water to be treated. Repeat in 24 hours.
Make a partial water change be made between treatments. The duration of treatment will depend on type and severity of infection, it is recommended that extended medication baths continue for at least 5 days but no more than 10 days. If no improvement within 5 days, discontinue treatment. Change 20% of water and use charcoal filter until clear.