stimulative feeding

I need some advice on a colony that I have struggling a bit; I'd appreciate answers from Warre beekeepers, as it it would be more applicable to my situation: Background: This particular hive (in a Warre, frameless) went into winter pretty strong with what seemed to be enough resources. However...

1/19/2012 I decided to start using 2, two gallon plastic freezer bags versus quart or 1, one gallon bags to feed liquid MegaBee. The bags are 13" X 15 & 5/8" so they will fit under the feed rims. This current winter of 2012 has been a dry one so far and I want the bees to be stimulated to...