Grease Trap Blocks consume grease, fats, oils, food, etc. dramatically reducing costly grease trap maintenance and eliminating odors. Every block contains 23 billion bacteria (5 different types) per ounce ensuring fast, continuous consumption even when harsh chemicals enter the trap. Grease trap blocks dissolve slowly, continuously adding to the number of bacteria available to consume grease. X-Tra Power Grease Trap Blocks will quickly increase the number of bacteria so that grease continues to be consumed.