Hello Claire,
I use a stock tank heater for a couple of hours at a time just until there is a
hole in the ice. If you want a very low cost device to keep a hole in the ice
try the bubbler invented by one of our water garden society members. A diagram
for making it is on our web site: A href="http://www.mvwgs.org"Miami Valley
Water Garden Society/A Look at the Tips & Tricks Section.
W@@dsfrog
( ~ )
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