Pinholes in home plumbing?
I am getting leaks in my plumbing that is mainly concentrated at elbows and unions. These pinholes are happening at the outer apex of the joints. From what I gather there is either electrolysis or pitting from errossion happening from the inside out.
It is pitting from corrosion and probably is being caused by electrolysis if you see pitting on the pipe. It usually happens on plumbing where pipes of different metals contact other types of metals such as brass, copper, and galvanized. One way to









