Usage-Water stored overnight in copper Utensil is essential for hemoglobin synthesis, bone strength and immunity building.The fantastic thing about copper vessels is that they turn water alkaline. Copper helps in maintaining digestive health, healing wounds and relieving pains. Copper is an Antioxidant and anti-carcinogenic that prevents cell damage and slows aging. Copper is primary element to produce melanin (pigmentation of eyes, hair and skin) in human body.