Controls many types of algae in freshwater aquariums containing live plants and fish. Wheat Soybean Meal, Fish Meal, Ground Corn, Soy Protein Isolate, Shrimp Meal, Canola Oil, Alfalfa Meal, Dehydrated Rice Bran, Dicalcium Phosphate, Spirulina Algae Meal, Brewers Dried Yeast, L-Acorbyl-2-Polyphosphate (Source Of Vitamin 4 OUNCES