Use this BBQ Cleaner on both inside surfaces and external parts of your BBQ grill. Simply scrub surfaces with a stiff brush, an abrasive sponge, or stainless steel wool, and rinse thoroughly with water. Can be used on hot surfaces. Safe for cast iron, stainless steel, porcelain, ceramic, and glass surfaces. Not recommended for use on painted surfaces, plastic, chrome, brushed or polished aluminum, copper, fabric, or tiles.