On Sun, 22 Aug 2004 16:04:23 GMT, "Coffee"
wrote:

I live in Pgh and have had my pond for 13yrs.

I add a strong air pump
and air stone under styrofoam and haven't lost one fish ever in the winter.

Patty

"Keith Nuttle" wrote in message
...
I live in central indiana.

Should or can I let this pond run all winter?
If not when should it be turned off?

Patty, wher is your airstone in the vertical column of the water. I
have thought that if it is at the bottom of the deep end that this
would cause too much circulation and the entire pond would be cooled
and might freeze?
--
Crashj