I've got my bladder tanks 6' below grade in an old milk house, and I still have to run a heater in there from November thru April or they'll freeze.


www.hoosierpondpros.com


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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).