A Broad spectrum medication for treatment of white spot (ichthyophthirius multifiliis), velvet disease (oodinium spp.), and fungal disease in goldfish, freshwater and tropical freshwater fish. White Spot is a common fish parasite that can be introduced via new fish, plants or can appear when fish are stressed either from temperature change or a change in environment. These parasites appear as small white spots (pin head size) on the fish's body fins. Unless prompt action is taken, fatalities will occur.Suitable for Tropical/Freshwater Aquarium fish