Galvanized pipe was created to help prevent rust. They are coated with zinc on the outside to help fight corrosion. Unfortunately, the lining corrodes and rusts on the inside after years of exposure to water. After a while, it finds its way into your waterline and then into you. Most people don’t know what to look for in this situation and that’s why you should call Royal Flush, the best plumber in Snellville, GA.