Just make sure the blocking net is weighted enough at the bottom to rest firmly and completely on the bottom of the pond, from above the water to above the water on both sides of the net. Having it hung up on something that is 12"-18" above the bottom of the pond wouldn't do you much good.

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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).