Oh, what I meant was that they switched water sources also. It's not clear to me that "new source + additive" would have been as non-corrosive as "old source".

Oh, what I meant was that they switched water sources also. It's not clear to me that "new source + additive" would have been as non-corrosive as "old source". Edit: The article has a chart that says just one additive would have improved things, but still left the water 3.5x more corrosive than the original water source: https://www.materialsperformance.com/uploads/images/Articles/2016/06/corrosion-rate.gif https://www.materialsperformance.com/uploads/images/Articles...