I've had the same problem when trying to remove the labels from corona bottles for my ciders. They seem to be etched into the glass. I'm curious to seee if anyone else has any suggestions.
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