piping water out of a pond is always risky business .... the pipe springs a leak and
drains the pond. in winter this is even more likely not to mention the water
freezing in the pipe. second, unless the piping is buried it will chill down on the
return trip and isnt efficient. I dropped a 500 watt heater into my pond, set it to
55oF and my pond stayed above 50 all winter except for one month jan 15-feb 15. my
pond is covered with plastic. Ingrid


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