Saw this at work and thought of you guys and the trouble with bath tub silicone removal.
http://www.3m.com/us/auto_marine_aero/aero/profiles/sealant_removal.jhtml
could be worth a look.
“Sir, if you were my husband I would poison your tea”
“Madam, if I were your husband I would drink it.” Sir Winston Churchhill
Replies
I've had modestly good luck with the 3M Caulk Remover paste that comes in a tube. Doesn't totally free up the caulk, but seems to loosen its grip on the mating surfaces.