Treats fish with external parasites including White Spot, Costia and Trichodina. Repeat treatment at 48 hour intervals while symptoms persist and for 48 hours after all spots have gone. A 10 percent water change is recommended after the problem has been terminated. Use half the normal dose when adding to tanks containing sharks, loaches & other sensitive or light scaled fish.

- Starts working immediately
- Effective treatment
- For use in tropical and coldwater aquariums