this is how I keep the water clear of ice during the winter months. the pump
is on the bottom with a pipe just below the water flooming the surface.

Karen
Zone 5
Ashland, OH
http://hometown.aol.com/kmam1/MyPond/MyPond.html
My Art Studio at
http://members.aol.com/kmmstudios/K....M.Studios.html
for email remove the extra extention