| abstract |
An aquaculture system ( 10 ) comprising a building structure ( 11 ) defining a scaled environment ( 13 ) having an access system ( 17 ) incorporating an airlock ( 18 ), a culture tank ( 35 ) and water treatment means ( 41 ) for treating water in the culture tank for removing contaminants to maintain water quality. The system also, has air supply means ( 27 ) and temperature control means ( 31 ). A mechanical filtration system using an endless belt and biological filtration apparatus are also disclosed. |