Originally Posted by Pork Smoker
I don't know all, I do not think it is creosote. I think it is a Carbon build up. Comments?
I was about to agree with you, but I googled it an sure enough there are different kinds of creosote, one of them being wood creosote produced by choking off the oxygen to a wood fire.
Jonathan - Blue Weber One Touch Gold, rescued NBBD, Weber Smokey Joe