Antifungal Shampoo is formulated with high-quality ingredients to eliminate fungal and scale problems. Exfoliants and nutrients promote hair growth and a healthier looking coat and mane. How to use: Wet horse's coat thoroughly. Pour 1 oz of shampoo in 3 gallons of warm water. Rub into horse's coat with a sponge until a rich, foamy lather forms. Allow the foam to remain on the animal for at least 20 minutes before rinsing. Rinse the animal thoroughly with clean, running water.