Joined: Jan 2009
Posts: 44,115
Likes: 6,327
From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
I see you can buy lye online.
Oddly enough, I can't remember ever having a stuck seatpost. I've been lucky so far. I once had a stuck stem, but it eventually came out. I remember using a rubber mallet.