In addition to Hydrogen and Oxygen (H20), tap water also contains mineral. For drinking purposes, this isn’t a problem. However, when it comes to cleaning, the likes of calcium, magnesium, and other minerals remain when the water evaporates away. This leaves hard water stains and unsightly spotting. You’ll notice these build up on any glass surrounding showers or taps at home, or even after washing your car.
The term Pure Water in window cleaning describes ordinary tap water that has been filtered through a purification system, to remove all the natural minerals. This water is often described as ‘deionised water’ due to the type of filtration used. The reason for this is that pure water dries to leave a completely crystal clear finish.
When applied to Window Cleaning, using pure water means that there is no need to squeegee the water from the window, you can leave it wet! It’s the best way to clean your windows and they tend to stay cleaner for longer, which is why we do all our cleans 4 weekly