I suggest getting a corderite stone. Not the kamado joe ceramic stone because the ceramic will break. Pizza Stone, 15''x 15'' Round Engineered Tuff Cordierite Durable Baking Stones for Ovens & Grill & BBQ, Stone Oven Round Pizza Stone https://www.amazon.com/dp/B0825RY8W4/ref=cm_sw_r_cp_apan_glc_fabc_5160TF1NHJAPRFGZYD4F. Something like this one.