
Keep seawater systems clean with MGPS/ICAF
Cathwell’s antifouling systems provide reliable, long-lasting protection against marine growth inside seawater systems. Compatible with any original manufacturer.
MGPS/ICAF parts and technical service – compatible with any OEM
Cathwell supplies replacement and consumable parts for almost all MGPS/ICAF systems – regardless of original equipment manufacturer.
This means we can support vessels built at shipyards across Europe, Asia and beyond, even when equipped with local or regional MGPS/ICAF models.
Few suppliers match our capability in this field.

Benefits of MGPS/ICAF antifouling
On this page you can learn more about Marine growth prevention systems/Impressed current antifouling technology, how it works, its role in protecting seawater systems on ships and offshore floaters – and why operators and shipyards worldwide trust Cathwell for proven antifouling solutions accepted by all major class societies.
By keeping seawater systems free from marine growth, Cathwell antifouling solutions helps with:
- reliable water flow and cooling performance
- lower operating costs and reduced fuel use
- proven environmental compliance
- protection against fouling and corrosion
- global support and spare parts supply


Keep your antifouling systems effective
Marine growth is an unavoidable challenge in seawater systems. Left unchecked, mussels and barnacles reduce water flow, increase fuel use and CO₂ emissions, and can even damage equipment – shortening its service life.
Cathwell’s MGPS/ICAF system prevents fouling before it starts, protecting cooling performance and extending the lifespan of vital assets. Operators and shipyards worldwide trust Cathwell for proven antifouling solutions accepted by all major class societies – a standard of quality you can rely on.
Still, even the most reliable systems benefit from regular attention. With routine inspection and timely maintenance, you can:
- avoid unexpected downtime
- ensure compliance with class and environmental requirements
- maximize the performance and durability of your system
By combining proven antifouling technology with proactive service, you get the assurance that your systems are always running optimally – delivering efficiency, reliability, and peace of mind at sea.
Want to learn more about the science behind electrolytic antifouling?
Learn more here!

Applications for MGPS/ICAF
MGPS/ICAF systems are trusted across a wide range of vessels and offshore units. Cathwell delivers systems and support for
Looking for corrosion protection on another type of vessel or offshore structure?
We might be able to help – and we sure would love to!

Let’s talk antifouling!
Reach out to us, and we will do our best to find a fitting solution.
Any other questions or inquiries? Just fill out the short contact form and we will get back to you as soon as we can.