When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
With a high temp stove paint or equivelant. Mine was Rustoleum high temp stove paint I believe, good for 1200*. Your local hardware store will have cans for 3-4 bucks. shouldn't need more than two.