>
>>It's still a good tip if one does not have a gauge to measure gas.
>>
>
> A gauge on a propane tank is basically a useless gadget. Propane is
> stored in the tank as a liquid but for most purposes, like a backyard
> grill, it is drawn off as a gas (vapor). The gauge will read full
> until all the liquid has vaporized and then it will drop like a rock
> as the propane vapor is used.
>
> Ross.

The bottle mount on my grill has a spring loaded gauge that works off the
weight of the bottle. Its accurate enough to let me know when to have the
spare bottle standing by.

Jon