Garlic Xtreme contains a powerful source of garlic that can serve many purposes in aquariums. Used as a food soak, Garlic Xtreme is a strong attractant, enticing finicky eaters to begin feeding sooner. Additionally, Garlic Xtreme may be used directly in aquarium if fish are not eating. Garlic Xtreme contains no artificial ingredients or steroids, and does not need to be refrigerated!