A new device designed by engineers at MIT could soon help billions of people worldwide access clean, safe drinking water by ...

This turns into healthy, mineral-rich water that is ready to drink or brew with. The device can make up to 3.2 liters, which is about a gallon, of premium alkaline water every day.

Wait for the hot water tank to refill and flush as in Step 3. Clean aerators and screens and reattach to faucets, shower heads, and fixtures. Flush any water-using appliance or run a cycle.