Contains over 1,100 literature citations through 1992 related to water recirculation and aeration in aquaculture. The focus is on filtration, aeration, and circulation techniques in various aquaculture situations. Provides broad exposure to water quality, organics removal, invertebrate and algal culture systems, diseases and sterilization, and economics. References on partial recycled systems utilizing waste water treatment processes, and relevant sanitary engineering are also included.