Distilled water is actually the kind of steamed buns, for example, home, well after the pot lid above the water, that is, after evaporation by the polymerization of steam water droplets, so distilled water does not contain any impurities, many people mistakenly believe that the water is very good, very healthy, in fact, not, drink distilled water will reduce the body's immunity, so that their own bactericidal degradation of the function is not good.

Distilled water is the water distillation, condensation of water, steam the second called redistilled water, three times called triple-distilled water. Low oxygen consumption of water, adding potassium permanganate and acid industrial distilled water is obtained using the distilled water method.