Ya, and so if the tank is not empty when you take it to them, you are just
ripping your self off. Since they charge a flat fee for a #20, or a #30
etc. etc.

s


wrote in message
...

they use a scale when filling propane tanks.
Set the tank on the scale, note it's weight and then fill it until it
reaches
it's "full" weight, which is stamped on the tank. Very complicated.

Sheesh.