Can I store things under my grill? Only one propane tank should be stored underneath the grill at a time. Check out our blog, "Storing Items Under Your Grill" for more information on this topic. Related articles Can I convert my grill from liquid propane (LP) to natural gas (NG), or vice versa? How do I clean the air shutters on my burner tubes, and should they be adjusted? Are there stainless steel grates for the Genesis II series? How much weight can the side tables on my grill hold? Can I get fold down side tables for my grill?