Originally Posted by Funky
question on runnig air in winter to keep hole open-how small of a pump can you go to? would a pump for say a 2000 gallon tank be enough to keep a hole in say 2 feet of water? 3 feet? Looking for next season so as not to run my full time summer pump.

The only way you are going to know for sure is to try it. I use a 1/4 hp rotary vane compressor.

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).