Diesel Fuel Polishing & Tank Cleaning Services

Clean Fuel Marine, provides professional mobile fuel polishing and tank cleaning service, we specialise in keeping your diesel clean, dry, and reliable. Contaminated diesel fuel is one of the leading causes of marine engine failure, and problems like sludge, water, microbial growth (diesel bug), and sediment can all build up in your tank over time. Left untreated, this leads to blocked filters, reduced performance, costly repairs, and even complete engine failure.

That’s why we provide professional diesel fuel polishing and tank cleaning services designed to extend fuel life, protect your engines, and keep your vessel running at peak efficiency.

Why Fuel Polishing?

Modern diesel is more prone to contamination than ever before due to environmental regulations and increased bio-content. Fuel polishing restores your diesel to a clean, usable state by circulating it through multi-stage filtration systems that remove:

Water & moisture – preventing corrosion and injector damage
Sludge & sediment – keeping tanks and filters clear
Microbial growth (diesel bug) – eliminating bacteria, fungi, and algae
Acidic by-products – reducing long-term fuel degradation

The result? Clean, dry fuel that improves combustion, reduces smoke, and lowers the risk of breakdown.

Why Tank Cleaning?

A clean tank is just as important as clean fuel. Over time, sludge and microbial matter settle at the bottom of your tank, where they can get stirred up in rough seas. Our tank cleaning service removes these contaminants directly from the tank, reducing the risk of recurring issues and extending the life of your fuel..

Fuel & Tank Cleaning Equipment

Equipment Used

Magnetic filter to remove rust.

1 Micron filter needed to remove diesel bug spores.

100ppm water filters x 2 to refine the fuel.

20 lpm pump to disturb the contamination.

Various lances to reach all areas of the tank.

The Process

Remove the free water which is laying in the bottom of your tank along with the layer of contamination floating between the water and your diesel.
Disturb remaining contamination by circulating the fuel at 20lts per minute at 25psi outlet pipe.
Remove the construction dust and rust.
Saturate the remaining puddles of water in the bottom of the tank into the fuel.
Filter out the water saturated in your fuel.

It takes approximately 3 hours to thoroughly clean a narrowboat tank and fuel – 4 to 5 hours for a wide beam.

Why Choose Clean Fuel Marine?

Specialist marine fuel treatment experts
Advanced mobile filtration systems
On-site tank cleaning & fuel polishing
Proven methods to extend fuel life
Professional, reliable service