Propane Refill
So this seems like a basic question, but I'll ask anyway because I've seen varying answers. Our new trailer has one 20# propane tank. It generally looks just like a tank at your local Menards you ca...
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I think the raised ridge the OP is talking about half way up on the cylinder is the seam where the top and bottom cylinder halves are welded together. It is more prominent on some cylinders than on others.
