What does copper installation mean in practice?
Copper forms a protective layer in stable water, but may corrode at low pH, low alkalinity, or high velocity.
When does it matter?
Blue-green stains or a metallic taste after parking may indicate copper release from the lines.
Which solutions are related to it?
Copper in the stagnant and rinsed sample is tested, pH and alkalinity are assessed and corrosive conditions are removed.