TREATMENT: ParaGuard contains a proprietary blend of aldehydes, malachite green, and fish protective polymers destroys parasites,external fungal, bacterial and viral lesions. ParaGuard contains no formaldehyde or methanol and will not alter pH. SAFE: ParaGuard is the only fish and filter safe aldehyde based parasite control product available (for parasites on fish). EFFECTIVE: Seachem's ParaGuard effectively and efficiently eradicates many ectoparasites including ich and external fungal, bacterial, and viral lesions. USE: ParaGuard is used for treating a variety of parasitic infections of exotic fish. It is particularly useful in hospital and receiving tanks for new fish and whenever new fish are introduced to a community tank. DIRECTIONS: Remove all invertebrates from the tank as well as any chemical filtration. Use 5 mL (1 capful) of ParaGuard for every 40 L (10 US gallons). Repeat this dose daily as required as long as fish show no stress.