Garlic Xtreme helps boost your fishes' immune systems and encourage proper feeding with natural, nutritional garlic. You'll easily give all your marine and freshwater fish a potent source of garlic which helps combat infection and disease, while naturally attracting fish to food. Simply soak food with Garlic Xtreme, and even the finickiest eaters will be enticed to eat. You may also add Garlic Xtreme directly to aquarium water if fish are not eating. Garlic Xtreme contains no artificial ingredients or steroids, and is safe for all species of marine and freshwater fishes, plants, live corals, and other invertebrates. Does not require refrigeration. 1 oz treats 1,200 gallons.