that isnt very deep, not really deep enough for koi in general. you need to cover
this with plastic, then styrofoam and drop in a heater. be sure to build it so there
is at least a 1 foot air gap above the water level and a hole somewhere to let gases
escape. and pray that the electricity doesnt go out. my 4 foot deep pond drops at
least 8 inches of water over winter. you need to be careful that the water doesnt
drop too much. Ingrid

"sue" wrote:

I live in Saskatchewan ,Canada and the winters are very cold here.I mean -20
to -30 c on average .I have been putting my large koi inside in the past but
now they are too big.My pond is apr 600 -750 gal with 2 1/2 feet at the
deepest and I would like to try a de icer.Anyone out there in cold canada
that has tried this please help,thanks.




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