National Security Agency | Central Security Service Defending our Nation. Securing the Future.
See also: Water softening. Soft water is surface water that contains low concentrations of ions and in particular is low in ions of calcium and magnesium. Soft water naturally occurs where rainfall and the drainage basin of rivers are formed of hard, impervious and calcium poor rocks.ecause soft water has few calcium ions, there is no inhibition of the action of soaps and no soap scum is formed in normal washing. Similarly, soft water produces no calcium deposits in water heating systems. Water that is not soft is referred to as hard water.
Water softeners can be used to remove the calcium and magnesium from hard water by using sodium. Hard Water Features. There are pros and cons to both hard and soft water. Hard water typically tastes better because of the of minerals in it. That is why spring water and mineral water are bottled and touted as tasting good. Hard water is also shown to be beneficial for your health, because it is a good source of the magnesium and calcium your body needs.