1. Frequent contact and use of cast iron products can effectively supplement the copper element in the body, which is one of the essential trace elements for the human body2 Iron ions have super strong sterilization ability. When iron ions are encountered, many stubborn viruses will be eliminated3. When using, often wipe the iron with a cloth, it will become brighter and brighter, can be used as a work of artcast iron kettle has been used for a long time. Usually the kettle will oxidize and turn black, and will not affect the water quality. If you mind, please don't place an order!