By Prabuddh Banerjee

Despite tall claims by producers of water purifiers, most of them fail to ensure safe drinking water for the household.

Our drinking water is supposed to deliver essential nutrients and minerals needed for healthy life. It should help maintain acidic levels in our body and natural streams must provide antioxidants. Finally, it should be free of all contaminants. But more often than not, water supplied to us has exactly the opposite characteristics.