Here’s another quick tip for RVers with dual LP tanks for their rig. This was another little chore from my RV maintenance day back in Duluth. I wrote the word “use” on a small piece of magnetic sheeting to help us remember which tank we’ve been running off of since we like to use one tank up completely and keep the other one full as a reserve. When we switch tanks, we’ll just move the magnet from one to the other. This also serves as a simple gauge so we know at a glance if we’re running low on propane.

By drawing an “approx. level” line on the magnet we can also easily tell about how much gas is left in the tank we’re using. You don’t need any spendy inline gauge or one of those strips you have to pour boiling water on. Just wait until you have the stove or any LP appliance on and run your hand down the side of the active tank. You will feel the side of the tank get cooler at the approximate level of gas left. We’ll just do this periodically and move the magnet as necessary. Muchas Gracias to El Jefe for showing me that trick!