Outdoor Pond --- what to do with my KOI???

[Buccaneer]

Originally Posted by rossb

I tried the trough heater last fall and although it kept the pond clear we estimate it cost 40 bucks to keep a 2000 gallon pond open in November. It would be less if you also covered the pond.

That explains why we did not notice a bump in the electricity ... our pond is only maybe 400G ( not really sure as it is irregular in shape )