It is a common sight in summer as we see different sizes and kinds of earthen pots or clay pots in rows. Potters make special pots to store water in summer season. We already have refrigerators or fridges to cool water. But we store water in plastic bottles or metal bottles in the fridge. Several researches state that prolonged usage of plastic or other metallic bottles is hazardous to health. It is the ancient method of storing water in clay or earthen pots.