Wardley weekend feeder feeds tropical and goldfish for up to 3 days in your community aquarium automatically. Calcium Sulfate, Iodized Salt, Corn Starch, Ground Corn, Fish Meal Soy Flour, Corn Gluten Mealwheat Germ Meal, Dehydrated Alfalfa Meal, Brewers Dried Yeast, Shrimp Meal, Ground Wheat Fish Oil, Herring Meal, Choline Chloride, Betaine .42 OUNCES