Mine is the well for the house, and I have a manual valve that will divert 100% to 0% of the water to the pond. I calculated for a 1 hp motor, $.07/hr cost. I don't know if I did it correctly or not tho. My electric rate is $.095/kwh

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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).