You're likely to find that it includes more than just water. Popular bottled water brand Dasani, for example, lists magnesium sulfate, potassium chloride, and salt alongside purified water on its Nutrition Facts label. SmartWater contains calcium chloride, magnesium chloride, and potassium bicarbonate.

It's basically tap water without the chlorine. It's really not much different than many spring waters. It comes from a ﾓnaturalﾔ source, goes through minimal filtration, and is then bottled and shipped to market. Purified Water ﾖ Purified water represents the fastest growing segment of the bottled water industry.

A typical Electrical water heater works on a simple mechanism, a electric heating unit is connected to a 220- volt circuit. To warm up the water, the current is allowed to pass through certain electrical-resistant heating element which is fixed in the middle of the tank. Power is delivered through a thermostat, which controls the water temperature.