Storing water in a copper vessel creates a natural purification process. It can kill all the microorganisms, molds, fungi, algae and bacteria, present in the water that could be harmful to the body and make the water perfectly fit for drinking. In addition, water stored in a copper vessel, preferably overnight or at least for four hours, acquires a certain quality from the copper. Copper is an essential trace mineral that is vital to human health. It has antimicrobial, antioxidant, anti-carcinogenic and anti-inflammatory properties. It also helps neutralize toxins.