I run the aerator all winter long, switching from the deep diffuser to a shallow diffuser that is set about 1/4 of the total pond depth, and close enough to shore that the ice is gone all the way to shore.

You'll probably see bottom temps between 41�F to 37�F.

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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).