The water bowl we do is made from Corten Steel and makes a wonderful addition to your outdoor space. Corten Steel is a weathering steel and was originally developed for bridge and skyscraper construction because of its strength. When left outside it develops a protective rust appearance which is warm in color and is not always associated with metal.
When you first purchase CorTen Steel Waterbowl, it will come as un-weathered or a slightly weathered condition. When using outside the weathering process will begin. It can take time as the steel has a reactive patina period of 3 to 9 months depending on location. The rust will not damage your product as it actually has a proactive barrier and will not penetrate the material in any way. The colour of rust on each item will differ as the rusting process take place but you will finally be left with a rusty brown patina.