Fish Zole (metronidazole) is useful in the control of "Hole-in-the-Head" and "Angle Problems" in Cichlid and Discus. For ornamental and aquarium fish only. Fish Zole metronidazole 250mg for treatment of infectious organisims of fish.
Effective against the parasite Giardia, for wild caught freshwater species. One capsule treats 10 gallons of water.