I have been using air to remove and install grips ever since I started tinkering with clubs probably 10+ years ago. Never had one pop, have had them balloon if they were installed with grip tape. I normally only use about 60psi at the max when removing or installing grips. If the grip starts to balloon, I just cut it off because normally after it balloons it is trash.
I always add at least one layer of masking tape just to be sure the grip doesn't slip. Never had any problems.
I like the blow gun with the long tube best. It stays in the grip hole better then the short ones.