Seachem GarlicGuard is a scientifically formulated appetite and flavor enhancer that has been designed specifically for freshwater and saltwater fish that are finicky around feeding time, such as angelfish and discus. The concentrated garlic supplement greatly increases food palatability as well as containing beneficial Vitamin C, which is a powerful and beneficial anti-oxidant. Completely safe for delicate reef and plated aquariums. Comes in a 250 ml bottle.