A small economical electrical aeration system (DIY) for a pond will do a better job and cost less than a windmill. But if the pond is over 500 ft from a power source then a windmill becomes more attractive. Maybe search windmill on this forum site. Quite a bit has been discussed about them.

Last edited by Bill Cody; 12/30/09 01:47 PM.

aka Pond Doctor & Dr. Perca Read Pond Boss Magazine -
America's Journal of Pond Management