Ayurveda recommends a simple, practical and effective way to drink water in its holistic drinking water from a copper cup. Pour water into the copper cup and let it stand overnight. Keeping water in copper for a period of time, Drink it as soon as you get up in the morning. You can also use your copper cups to drink water from at any time. It is recommended to drink the water at room temperature. The copper cups should not be stored in the refrigerator. copper darkens over a period of time. The copper cup has to be cleaned from time to time. Use lemon juice or tamarind to rub the utensils. Leave it for a few minutes and wash with water.