Originally Posted by dresselbrew
Just remember a food grade barrel will probably have a liner and the liner isn't food grade when it burns. I'd take an unlined motor oil drum over a lined "food grade" drum any day.
I picked up a heavy duty barrel that contained a polymer chewing gum additive over a ton that had citrus juice. It was lined but was 20 pounds heavier than the juice barrels.
If you are limited on what you can get, go ahead and get one with a liner. A hot fire and an angle grinder with a knotted wire wheel will take of the liner.