The Pronomar-Merus ring is certainly on its place in the maritime sector. This environment-friendly water treatment has proven itself on board of hundreds of vessels, such as on board of cruiseliners, ferries, RoRo vessels, containervessels, tankers, bulk carriers, dredging vessels, offshore vessels, accommodation vessels, trawlers, river cruise vessels, etc.

Green Shipping is something that everybody in the shipping industry is talking about. The Merus ring can add to this by providing cleaner equipment, saving energy and eventually chemicals. Another aspect is the prolonged service intervals and the long life-span of the equipment.

The Merus ring is effective in cold and warm water, as well as fresh and seawater and technical water and provide a solution for:


Merus ring for corrosion problems

Rust, pitting, brownish water


Merus preventing lime scale

Rust, lime scale, bio film, salts, paraffin wax


Biofouling Merus Ring

Algae, bacteria, biofouling, barnacles, marine growth

Merus treats the following applications:

– Fresh Water Generators

– Drinking water systems

– Cooling water

– Sea water

– Feed pipe scrubber

– Reverse Osmosis Systems

– Ballast water

– Steam generators

– Separators

Alfa Laval fresh water generator

Related branches

Downloads for further information


Pronomar B.V.
Noordeinde 88C
3341 LW
the Netherlands

T  +31 (0)78 – 68 19 481
F  +31 (0)84 – 22 54 573

Contact us!