Propane - when is a fill a true fill
Over the years (12) I have had my propane tanks filled using two methods to determine when the tank is full, by weight using a scale and the second filling until propane escapes from a bleeder valve. ...
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I still have some old 100# cylinders that are way before OPD and have a 10% dip tube. The local propane place will fill them but mostly I fill at home. 20 & 30# cyls are a bit more regulated and must have 20% valve & OPD.
