Originally Posted by Thom Rowland
I have 2 tanks with the float gauge. They help give me a heads up when the tank gets low but there is still a lot of propane
left when the gauge reads empty.
On mine it is about a quarter tank left when it reads empty. If that ever gets annoying you can simply remove the gauge and adjust it, but since so many places sell by the gallon nowadays, I kinda like the "reserve".