#$%^&*AU2011250722A120120531.pdf#####10 ABSTRACT The present invention relates to an aeration system for aerating an aquaculture pond. The system includes determination means for determining the time of day. The system further includes controllers for controlling the speed of respective aerators aerating the pond using the determined time of day. The operation of the controllers may be independent and, in the event of the failure of one controller, the other controllers can then continue to aerate the pond.1/3 0 0 0 0 00 o 9J*10
