Clint
TVWBB Olympian
Not sure how well it works - my silver b has a scale, but this might be helpful.
I just had 4 tanks refilled ~3 weeks ago so I should be set for 6 months
www.wired.com/2016/05/check-much-propane-tank
I just had 4 tanks refilled ~3 weeks ago so I should be set for 6 months

www.wired.com/2016/05/check-much-propane-tank