Try feeding the Catfish, then 20 minutes later throw out more feed, but in shallower areas. The HSB in my pond will keep the BG away from the feed if I don't stagger the feeding times.

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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).