a large body of water will slowly heat and cool. it is sharp swings in temp that
bring on ich... especially temps that fall faster than 4oF per day. Ingrid

On Mon, 18 Feb 2008 06:03:17 GMT, (Hank Nussbacher) wrote:
I have goldfish in my pond and last I checked they were doing fine at 2c this
winter as well as at 29c in the summer.

-Hank