I'll let someone who knows for sure answer. My gut feeling is that the volume of water in the pond is so great as compared to the wood that is going in that it wouldn't be a problem. Maybe Leo will see this and weigh in.

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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).