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4 ways to estimate how much propane is left

It's finally summer, meaning it's time to break the grill clean thoroughly beat a few patties on it and host the first backyard barbecue of the year. But how do you know how much propane is in the tank? Most propane tanks are not equipped with a gauge to let you know how much fuel is left. And you definitely do not want to go out and have to make a detour to the store in the middle of cooking. Fortunately, there are several ways to quickly test the amount of propane before the Grill is detonated. Here's how it's done.

Once you've filled up your propane, you can learn to learn how to cook better with CNET's guide to grilling this summer.

Hot Water

One of the quickest ways to pump the level of a propane tank comes from the "Fix It Home Improvement Channel" on YouTube. All you need is a bit of hot water.

  • Fill a cup or small bucket with hot water from the faucet.
  • Pour the water on the side of the tank.
  • Guide your hand to the side of the tank and feel a cool place. 1
    9659009] The top of the cool spot is the level of the tank. What happens here is the liquid propane inside the tank is absorbing the heat from the water, which keeps the metal wall of the tank cool, while the tank wall above the fill line gets warm.

    This does not give you a very accurate measure of how much propane is left, but a good approximation. It's certainly enough to let you know if you should go to the store before you start cooking.

    More about Chowhound: What is the difference between barbecuring and grilling?

    By Weight

    If you've been involved with propane tanks for a long time, you can estimate if it's about time. Just fill it up by picking it up. To get a better idea of ​​how much gas is left, you need a scale.

    All propane tanks have a few numbers attached to the handle – most commonly the WC (water capacity) and TW (the weight of the tank when empty). Most propane tanks for grilling weigh about 17 pounds (8 kilograms) when empty, holding about 20 pounds (9 kilograms) of propane.

    To measure how many pounds of propane are left, weigh the tank and subtract the curb weight. For example, if you weigh the tank and have 27 pounds (12 kilograms) in total and have a curb weight of 17 pounds (8 kilograms), you have 10 pounds (4.5 kilograms) of propane – about half of a tank – left.

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    After Cooking

    A bit of math goes a long way to predict how long a propane tank will last. First, keep in mind that one gallon (3.8 liters) of propane produces about 92,000 BTU. Divide this number by the BTUH (BTUs per hour) of your grill. This will give you the number of hours you will spend to use one gallon of propane at the maximum heat setting of the grill.

    Finally, multiply the number of hours by the number of gallons in the tank. A full 20-pound propane tank contains 4.7 gallons (17.8 liters) of propane. If your grill has a performance of 32,000 BTUH, you would get about 13.5 hours cooking time from a standard propane tank if you cook at maximum heat. If you use only two out of four burners, you might estimate that the approximate cooking time would be twice that.

    While this method is only a rough approximation, it is helpful to follow cooking times and heating settings. But if you forget to write it down somewhere, you can combine this method with one of the two methods above to roughly calculate how much cooking time remains in a tank. For example, if you weigh a tank and have 10 pounds (4 kg) of propane left, you would have about 6.75 hours of cooking in the tank at full heat.

    Buy a Gauge

    If the approximate numbers just do not reach and you need precision, it's time to invest in a lesson. Propane fuel gauges come in various shapes and are easy to find in your hardware store.

    • Inline Manometers are installed between the grill gas line and the shut-off valve on the tank. These pressure gauges operate with pressure and indicate when the tank is full, low or empty.
    • Analogous propane scales work much like luggage scales, except that they are already for the weight of the tank. Pull the hook through the tank handle, read off the residual gas level and read off.
    • Digital Propane tanks work by continuously weighing the tank and providing a digital display of remaining cooking time and gas filling Percentage

    These gauges and scales range from about $ 10 (about £ 10 or AU $ 15 ) to $ 50 (about £ 35 or AU $ 65) and could come in handy if you cook a lot on the grill.

    How To Grill Smarter: Think of this as your cooking guide, like a pro at your next BBQ.

    CNET Smart Home : We have transformed a real house into a test laboratory for the hottest category of technology.

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