IQ4 doesn't have a smoke setting. I put a 6" strainer on the bottom. The middle is pushed up to form a ring and I put pellets in it. Works ok, but I'd like to check out the ProQ setup sometime.
KCBS CBJ #22109
Mid Atlantic BBQ Association
FEC100 Righthanded, FEC100 Lefthanded
Meadow Creek PR72 Pig cooker
wsm & Weber kettle