Give Your Propane Tank an Ultrasound to Find Out If It's Low

Like when trying to choose a ripe melon at the grocery store, there are countless questionable ways to determine how much propane is left in your barbecue's tank. But if you don't want to drag a bathroom scale out to your deck, try Truma's LevelChecker which uses an ultrasonic signal to determine how full, or empty,… » 6/06/13 1:20pm 6/06/13 1:20pm