Know that you are not alone. I know that makes me feel better when I'm trying or in the dumps. I tend to think I'm the ONLY ONE going through troubles and trials or that no one cares or that I'm alone in it.
Our well water only rusts the porcelain without our salt water conditioner running. Never seen any blue/green coloring. Have you checked out sites that deal with this? Tons of FREE information online.
Praying we both find the solutions we seek and SOON!!!