How do window cleaners get pure water?

Window cleaners purify their water by passing it through a series of filters and resins, making use of natural processes like reverse osmosis and deionisation. They then store this water, usually in a suitably equipped vehicle, so that they can get it to their customers.

Is pure water good for cleaning windows?

001 parts per million, meaning it contains virtually no damaging minerals or sediments. When used in window cleaning, pure water, even if 100% of it is not removed from the windows, has minimal chance of leaving any residue behind.

Can you clean windows with tap water?

Normal tap water is full of dissolved minerals which are not harmful to drink but when used to clean windows they leave spots and smears on the glass as the water dries.

Should window Cleaners Dry the windows?

Should a window cleaner dry windows? ... If they've been cleaned and rinsed with pure water, windows can be left to dry naturally, without the risk of smears – just wash and go.

Glass Window