Summer is in full swing and with that means grilling season! Unlike charcoal, most of the time when you are using propane, you cant really tell how much propane is left in the tank, until now.

Now there are many different ways to tell how much propane you have left. Like weigh a full tank. Weigh an empty tank. Once you know these two figures, weighing the tank should give you some idea of how much gas you have left. Or you can purchase pressure gauges that show how full the tank is. They cost about $20.

But this propane grilling tip comes to us courtesy of You don't need to weigh or buy anything. All you need a a hot glass of water.

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