I used tuning plates on my CG. I bought the precut little plates at Lowe's. They were about 6 x 12. Sat perfectly just above the opening to fire box. I used 4 plates.
[FONT=Arial Black][I]Lewd, Qüe'd & Tattööed [/I][/FONT]
Large Big Green Egg
[FONT=Arial](2) UDS [/FONT]