I deal with fruit flies on a regular basis and one way to help control them is to have a cup of vinegar and water solution sitting around. They will investigate the cup of solution and eventually fall in and drown. Place the cup near your carboy.
In the Works: Peach Berry Wheat Ale
Conditioning: Blue Moon Clone, Double O' Blossom Honey Hefeweizen
In the Fridge:Blind Pig IPA, Raspberry Wheat Ale, Capt. Cascade American Amber Ale
Primary #1: Carmel Apple Cider 4 weeks on 01/16/13 Primary #2: Spiced Apple Cider 2 weeks on 01/17/13