Distilled water
Videos
Distilled water is water that has been purified by boiling it into vapor and condensing the vapor back into liquid in a separate container. Any impurities in the original water, such as non-volatile o
Bottle for distilled water in the Real Farmacia in Madrid
Typical laboratory distillation unit
A boiling water distiller. Boiling tank on top and holding tank on the bottom.
Hard water
Videos
Hard water is water that has a high mineral content. Hard water is formed when water percolates through deposits of limestone, chalk or gypsum, which are largely made up of calcium and magnesium carbo
Distilled water
…to design and build, with cheap materials. Distilled water can be used in steam irons for pressing clothes to minimize 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, which makes it possible to use…
A bathtub faucet with built-up calcification from hard water in Southern Arizona
A portion of the ancient Roman Eifel Aqueduct in Germany. After being in service for about 180 years, the aqueduct had mineral deposits of up to 20 cm (8 in) thick along the walls.