Yes thanks Robert, excellent info!
“… Any physical or chemical condition that interferes, however, with the initial film formation process, or results in damage to the film, can cause accelerated pitting type corrosion and short term failure of the copper tubing. Short term failures generally occur within 1 to 6 years of placing the plumbing system into service [6, 13].”
“They provide information useful in judging the quality of potable water delivered to their homes and the effect that water likely has on their copper plumbing.”
And on down is gobs more corrosion cause information.
Everyone should read the whole article!
Quality Water Associates