Yes. When your pond's temp falls into the 40s it's time to stop the
waterfall. It just cools the water faster and keeps it cool. Whereas with
slow circulation or an air stone the ground with keep your pond warmer.
Cover it and it will often remain ice free. ~ jan

On Mon, 29 Sep 2003 08:41:52 -0400, "John Burton" wrote:

While we're asking for inputs on wintering, what about this?

Should I turn OFF my waterfall at some point?

3000gal pond with 8 comets and 1 koi. Deepest point is approx 2feet. I'm a
zone 6a or 6b (???)....

Input?

See my ponds thru the seasons and/or my filter design:
http://users.owt.com/jjspond/

~Keep 'em Defrosted~
Tri-Cities, WA Zone 7a
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