If you can swing it, go with an electric aerator. Had a winterkill on a pond this late Spring due to cloudy days and no wind. Other ponds with electric aeration had no problems.


www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
http://www.pondboss.com/subscribe.asp?c=4
3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).