Originally Posted by
Takabrash
Did you sand it off well and give it time to dry? I always put on a new tube then patch the old one to use later. I've never had a problem with them. I have tubes with three or four patches on them.
Damn. I'm probably just doing it wrong. Yeah, I sanded, and gave it about 20 minutes to set (this was in the comfort of my own home... mysterious overnight flat).
I don't remember how long I waited the first time I tried it.
2 is not a large sample space. I'll give it another shot.