On Wednesday, September 6, 2017 at 12:07:47 PM UTC-7, Duane wrote:

Or just buy a decent pump and forget about it.

As Jeff asked - what is a "decent pump"? A pump that works good on a high pressure racing bike takes forever to inflate an MTB tire. With almost all of the pumps these days using that awful filler valve https://tinyurl.com/y84dcpqn simply isn't right for other applications.