Bio-GEM grease-eliminating microbes from Norweco blend cultured bacteria, aggressive enzymes and natural growth accelerators to digest grease, fats and oils. The product is used in aerobic or anaerobic conditions to convert common grease, fats and oils into carbon dioxide and water. Regular use is promoted to help eliminate odors, stabilize effluent quality, reduce system maintenance and minimize the frequency of tank pumpout. Environmentally safe, it is available in 1- or 5-gallon containers or 55-gallon drums. 800/667-9326; www.norweco.com.