Copper pipes do not rust since rust is specifically iron oxide, and copper lacks iron. However, they can corrode, resulting in a greenish patina, white or blue deposits, or even pinhole leaks. This corrosion can be caused by aggressive water chemistry, stray electrical currents, mechanical damage, or prolonged moisture exposure. While some corrosion products can…

Copper plumbing is safe for drinking water if installed and maintained properly. However, factors like corrosion, acidic water, and aging fittings can lead to copper leaching, resulting in a metallic taste or blue-green stains. Short-term exposure may cause stomach upset, while chronic high levels can harm the liver and kidneys, especially in vulnerable groups like…