Go for 22. I have both but use the 22 most times. 18 will handle a 12lb. brisket but when you get up to around a 14 or 15lb packer, it gets tight. Also a full rib rack is almost too long for the 18.
Try one of these to help with charcoal consumption when weather is brisk. Makes a world of difference.
Try one of these to help with charcoal consumption when weather is brisk. Makes a world of difference.