Check the listing for details. Calcium Feeders for Shrimp, Snails, Crabs, Crayfish and all Tropical Fish. Condition: New. Listed at 29.99 USD. Aquatic Foods & Blackworm Co. Calcium Feeders for Shrimp, Snails, Crayfish, Crabs and Tropicals Our Calcium Feeders are sifted and graded to remove most dust and most chips DESCRIPTIONCalcium Feeders are perfect for keeping your Shrimp, Snails, Crabs, Crayfish healthy while providing their needed Calcium. Choose from a variety of sizes and styles.Each block contains Calcium, Krill and Spirulina. Specially formulated with color enhancers to bring out the vibrant colors in your Crustaceans. Fortified with essential vitamins and minerals for overall health and longevity. Will not cloud water. Available in a variety of sizes and styles. NUTRITIONAL INFORMATIONIngredients: Calcium sulfate, Fish Meal, Wheat starch, Wheat gluten, magnesium sulfate, Brewer's dried yeast, krill, Spirulina, l-ascorbyl-2-polyphosphate (source of vitamin c), vitamin a acetate, choline chloride, a-tocopheryl acetate (source of vitamin e), niacin, d-calcium pantothenate, riboflavin, thiamin, biotin, pyridoxine hydrochloride, folic acid, d-activated animal sterol (source of vitamin d3), vitamin b12 supplement, zinc proteinate, manganese proteinate, iron proteinate, ethoxyquin (preservative).Guaranteed Analysis:Crude Protein (min) 22.0%Crude Fat (min) 0.01%Crude Fiber (max) 0.01%Moisture (max) 11.0% We are Aquatic Foods & Blackworm Co.A 3rd generation Aquarium Hobbyist,Tropical Fish Store, Online SalesFamily-Owned Business.By selling and shipping to fellow Fish Keepers · We offer great products at even greater pricing.· Fast same day as ordered or next day shipping.· Quality super fresh Fish Foods.· Repackaged name brand Fish Foods for YOUR savings.