The ideal water for humans is hard water. Hard water is healthy as it consists of calcium, Ca2+, and magnesium, Mg2+, ions. Ca2+ is needed in the formation of bones and is important in the clotting of the blood and regulating the heart beat. Mg2+ is needed for making protein and for passing impulses along nerve cells. The chlorination of water for
The ideal water for humans is hard water. Hard water is healthy as it consists of calcium, Ca2+, and magnesium, Mg2+, ions. Ca2+ is needed in the formation of bones and is important in the clotting of the blood and regulating the heart beat. Mg2+ is needed for making protein and for passing impulses along nerve cells. The chlorination of water for