Give him a shout! From what I was told, the Cobia are fed via a long tube that dumps the feed at "X" depth, it's not tossed on top of the water to let sink down. I'm assuming they put the feed in the tube, then flush it down with water.

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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).