LMB that size wouldn't eat that sized crappie. If you are sure there weren't larger LMB in the pond, I'd bet you just aren't getting the crappie to bite. They're still in there, hiding really, really well.

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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).