I use one I got at TSC, I believe this one- http://www.tractorsupply.com/en/store/farm-innovators-multi-use-utility-deicer-250-watt?cm_vc=-10005Thank you that is great that you have not had freezing water during that cold. So I am sold that is what I will be using, you use the same heater as Doug? Also thanks for the warm wishes regarding surgery.
15/23 not sure we will get anymore as sunset in about 45 minutes.
Same difference in my opinion. It's a great system.