I was sort of thinking about a fluid type system with plumbers antifreeze and a small circ pump. Drilling wells would probably be $10k or more, which doesn’t really fit in the budget. We are contemplating digging a large fish pond (1/2 acre). I know my friends pond only freezes about 12-24″ deep. I wonder if I could do something with that? My camp is all steel construction with only 2″ of insulation in the walls. I had to paint the top white so we aren’t baked out of it in the summer.In the winter there is sometimes 4 or 5 feet of snow on the top.
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