Stuck seat tube but I made it worse - help :(

Hugo's right, Tradesize.

I'd abaondon this thread and head over to:

http://www.londonfgss.com/thread1083-3.html

http://www.londonfgss.com/thread19447-2.html

http://www.londonfgss.com/thread12883-2.html

or

http://www.londonfgss.com/thread10508.html

I think you'll prob find all the guidance you're gonna get there. Like you, I got impatient and I've just been putting off the caustic soda option for the last few weeks.