Premium quality marine algae. An all natural, very nutritious supplement for all grazing fish, rich in Vitamin C and 100% digestible. An optimal food source for marine herbivores and freshwater herbivorous fish. Enhanced with natural garlic extract for increased acceptance by finicky eaters and to promote health. Recommended for use with: Nearly all marine herbivorous, omnivorous, and grazing fish including Tangs, Rabbitfish, Large Angelfish, Pygmy Angels, Wrasses, Damsels, and some Butterflyfish. Also great for most marine invertebrates and herbivorous freshwater fish.