Sounds like about 7# of FHM. What are the fish that you think will target them? If LMB, I think GSH will be a better match. If BG, YP or RBT, then I think FHM is the route to take. FWIW, I'm putting both FHM and GSH in the pond this Fall.

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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).