Household treatment facilities are far from uncommon in private houses. It often happens that the central water supply is simply not brought to such a dwelling. Water is obtained from an underground well or well. Naturally, she needs thorough cleaning. If we talk about impurities in tap water, then we can say that chlorine compounds and other salts of heavy metals bring the greatest harm to a person. Moreover, many believe that chlorinated water can, for example, wash. But just imagine that due to high temperatures, this toxic gas negatively affects the entire human body. At the same time, the respiratory system and the endocrine system of human.