Hopefully Cecil will chime in here. I helped him set up his RCB both ways, and I felt that the self floating style was less dependant on a constant water level in the tank to minimize drag on the bearings.


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).