API Super ICK Cure fish remedy treats Ich, or white spot disease, in fish, along with other highly contagious parasitic diseases. The Ich parasite has a multi-staged life cycle and is invisible in its early stages when it burrows into gill and skin tissue, causing severe electrolyte loss and gill damage in addition to promoting secondary bacterial and/or fungal infections. Early symptoms of this infection include your fish darting around in the aquarium, your fish scratching against gravel or ornaments, labored breathing, and your fish remaining near the waters surface, near filters, or near aeration devices. White spots may not always be visible on fish. SUPER ICK CURE is safe for use in both freshwater and saltwater aquariums. Easy to administer Safe for both Freshwater and Saltwater Treats White Spot disease Adds slime coat protection Add 5 ml per 5 gallons Corals and invertebrates may be sensitive to this medication. Not recommended for use in reef aquariums or any freshwater or saltwater aquarium with invertebrates.Directions for use for liquid: Remove activated carbon from filter and continue aeration. Add 5 ml. per 5 gallons of aquarium water. Repeat dose 48 hours. Wait another 48 hours then change 25% of the aquarium water and add fresh activated carbon.