Distilled Water

Distilled water is water that has been heated to the boiling point so that impurities are separated from the water, which itself becomes vapor or steam. Steam is then condensed back into pure liquid form. The impurities remain as residue and are removed. Pure Water Distillation Systems remove waterborne biological contaminants such as bacteria, viruses, organic and inorganic chemicals, heavy metals, volatile gases, cysts and other contaminants. Distilled water contains virtually no solids, minerals or trace elements. It is clean, natural and healthy. Steam distilled water is the standard by which all other waters are measured.In chemical and biological laboratories, as well as in industry, in some appliances deionised water can be used instead of distilled water as a cheaper alternative. If exceptionally high-purity water is required, double distilled water is used.
In general, non-purified water could cause or interfere with chemical reactions as well as leave mineral deposits after boiling away. One method of removing impurities from water and other fluids is distillation.
For example, ions commonly found in tap water would drastically reduce lifespans of lead–acid batteries used in cars and trucks. These ions are not acceptable in automotive cooling systems because they corrode internal engine components and deplete typical antifreeze anti-corrosion additives.
Any non-volatile or mineral components in water are left behind when the water evaporates or boils away. Water escaping as steam, for example from a boiler of heating system or steam engine, leaves behind any dissolved materials leading to mineral deposits known as boiler scale.Distilled water can be used in steam irons for pressing clothes to minimizes the build-up of limescale in hard water areas shortening the lifespan of steam irons, some steam irons have built in filters to remove minerals from the water meaning standard tap water can be used.