On Mar 4, 1:47*pm, "William Wixon" wrote:
...
...how do you know now much gas to put in
the aerosol can? *it is a "by ear" thing or is it not possible to over
pressurize a paint can using a propane tank?
b.w.

The quick test is to dent the side in a little with your thumb. Try
that with a new can to get the feel.

jsw