The granite ware coffee boiler has no chemicals that alter the taste or color of your drinks. The low carbon steel with porcelain enamel coating will evenly distribute the heat for a quality cooking experience. Use this black camping coffee boiler at home on your stove and for your campfire cooking. Steel core heats quickly and efficientlyPorcelain enamel surface is inert and non-porous and will not alter taste of coffee or teaDishwasher safe