Quote Originally Posted by FireTom View Post
I don't purge mine but I do put them in the freezer for about 20 minutes before I fill them. Something about it lowers the pressure in the lighter to allow for a better fill. The only thing I can think with closing the gas valve is that maybe there will be less chance of fluid leaking by the valve?

Now that I'm thinking about it I noticed my lighter quit filling at a point (it has a window to view the fluid, which totally charges me with negligence for having a dry lighter). Maybe an equilibrium was reached that could have been fixed by chilling mine. Hmmmm...