Pure water (Reverse osmosis water): why more and more professionals are working with it

Reverse osmosis water, also known as pure water, is water that has been completely purified using an osmosis system, removing salts, limescale and minerals. As a result, it leaves no streaks or spots during cleaning. Especially for window cleaning and façade maintenance, pure water is an efficient and sustainable solution.

Reverse osmosis water is produced through reverse osmosis: tap water is forced under pressure through a fine membrane. This membrane retains dissolved substances such as limescale, salts and metals. What remains is pure water.

This purified water has a unique property: it seeks to absorb contamination again. During cleaning, pure water attracts dirt from the surface and rinses it away. Rinsing or drying afterwards is therefore unnecessary.

For professionals, this means:

• faster working
• a streak-free result
• less physical strain

With traditional window cleaning, minerals in tap water often cause streaks or limescale spots. Using reverse osmosis water eliminates these concerns.

Practical advantages:

• no soap or chemicals required
• no squeegees or cloths needed for drying
• consistent quality, even in sunlight or warm conditions

For window cleaners, this mainly results in time savings and reliability. Especially on large surfaces or hard-to-reach windows, pure water really makes the difference.

Not every osmosis system is the same. The right choice depends on mobility, water consumption and the working environment.

For fixed installations or locations with high water consumption, a system such as the SRO-150 Osmosis System (550511) is suitable. This type of installation supplies pure water continuously and fits well in workshops or on fixed façade routes.

Do you work mobile or combine several locations in one day? Then a compact solution such as the CRO-100 with 1,000-litre tank (550510) is ideal. The large tank allows you to work autonomously without having to refill water constantly.

For window cleaners who want to leave fully equipped, an integrated solution such as the Telewash 650 L with RODI in trailer (550502) is particularly interesting. Everything is combined in one mobile system, which reduces set-up time on site.

Pure water fits perfectly within a sustainable cleaning approach. Because you work without detergents, you reduce chemical use, wastewater load and the transport of cleaning products.

In addition, the efficiency of pure-water window cleaning reduces the total working time per job. Less time means lower energy consumption and less physical strain on employees.

Proper maintenance of the osmosis system is essential. Regular checks of filters and membranes ensure consistent water quality and prevent waste.

To achieve optimal results with pure water, professionals follow a few basic principles:

• Always rinse surfaces from top to bottom.
• Use brushesand poles suitable for pure-water applications.
• Regularly check the water quality (TDS value).
• Keep reverse osmosis water clean to avoid re-contamination.

With this approach, results remain predictable and professional, even under intensive use.

Pure water is purified water that enables streak-free cleaning without chemicals. For window cleaners and professional cleaning teams, it offers an efficient, sustainable and ergonomic way of working.

Would you like to know which osmosis system best suits your working method or projects? Contact your BOMA representative.