https://butaneindustrial.com/wp-content/uploads/2016/04/Butane-Logo1-300x185.png00adminhttps://butaneindustrial.com/wp-content/uploads/2016/04/Butane-Logo1-300x185.pngadmin2014-07-05 11:35:352014-07-05 11:35:35Can instant water heaters be used in areas where water has high mineral content?