Staff Solution This solution was penned by among our skilled group of scientists who validated it for precision and comprehensiveness. Retail store your cast iron grill grates in an open container that allows air circulation all over them always; retailer near stovetop or oven when not in use to help http://www.pesscloud.com/PessServer.Web/Utility/Login/LoginPess.aspx?Returnurl=https://comfykitchen.com/how-to-clean-cast-iron-stove-grates/