Bill, yes I'm somewhat back...., thanks for the detailed info. I will give it a try and experiment with the two lines of different diameters, distance to air stone and the different depths of each. In a perfect world it would be nice to have both lines work well but if I have too, I can operate the long/deep line in the summer and the shorter shallower line in the winter to keep an open hole thru the ice. Differnt topic, any ideas on ornamental/utility ducks and geese to have around this northern lake throughtout the year and live (have assess too) a southern exposured shelter on one of the islands close to the open water and winter feeding, eg muscovy ducks, rouven ducks or pekin ducks, etc.
Thanks again as I move forward on my pond management. Pottsy what your take on good northern ducks that survive well outdoors with little work from your neck of the frozen woods. Still skating on your rink?????
Rowly
