Keeping water in clean copper vessels is an ancient tradition. After the invention of stainless steel, the custom of using copper cookware disappeared. However, recent studies have shown that regular use of copper water can have surprising health benefits. Unknown to many people, copper can significantly improve water purity. , is probably the cheapest water purifier. Keeping water overnight in a copper water bottle will kill most bacteria and microorganisms in the water. Pure copper tends to darken over time. However, you can easily maintain the shine and luster of the metal if you wash and polish it with a salt and lemon solution every other day.
