BIO JET 7 Plus from Jet Inc. is a nonhazardous and nontoxic bacterial aid used to degrade FOG, fatty acids, and lignin while lowering BOD, COD and nitrates. When added to a system, its bacteria attack the grease and organic materials, converting them to liquid and then to carbon dioxide and water. Continuous use can help decrease odor, maintenance and emergency blockages, according to the maker. 800/321-6960; www.jetincorp.com.