I wish I could answer this question. My tank is relatively new and the outer surface has an epoxy primer coating on it. All I know is that from welding the smoker parts on the inside, the epoxy primer on the outer surface has essentially turned to dust. Likely it would but that won't negate a thorough cleaning .
Never smoked but I'm Puffin' away !
A dedicated cold smoker made from an old whiskey barrel
A trailer mounted 275 gallon reverse flow....Awesome . Wait til you see the next one, a vertical gravity feed!