HG oven, grill & barbecue cleaner removes porcelain cleanerly and effectively dried and even baked on grease from ovens, grills and barbecues.For best results wit HG oven, grill & barbecue cleaner, first warm the surfaces to be cleaned. Spray the surface and allow 3 to 5 minutes for the product to work. Now wipe over the surface with a damp sponge. After the grease has been removed, rinse the oven or grill again with hot water. Repeat the treatment several times with severely soiled oven plates or barbecue grills.