Monthly Supply of Algae Wafers Invertebrate Food for Live Shrimp, Hermit Crabs, Snails, Dwarf Crayfish and Full Sized Crayfish. Sinking Fish Spirulina Wafers over 35% Crude Protein also for Freshwater and Tropical Fish like Catfish, Plecos, Cories, and other Bottom Grazers MADE IN THE USA with over 35% Crude Proteins, Marine Proteins, and Vitamin & Mineral Supplements Stabilized Vitamin C and E Content for Healthy and Colorful Pets Designed Specificalliy for the Invertebrats that Promotes Bright Colors, Faster Growth, and Enhanced Breeding Favorite Diet of All Apollo Marine Supply Shrimp, Crab, Snails, and Crayfish. Algae Wafers Are About 3/4" Inch and Will Not Cloud Water When Feeding