Diesel Bug Fuel Cleaning Service Bad Fuel is a Bad Day on The water diesel fuel polishing

Our Service



Fuel polishing is designed to eradicate the bugs and bacteria which accumulate in stored diesel and oil. We want to give you peace of mind that your fuel is clean from bugs and not in a state which could potentially disrupt your equipment’s performance or even worse, damage it. 

Diesel Bugs & Contaminated Fuels

Diesel Fuel cleaning Service Swansea, Cardiff, Milford Haven.

Diesel bugs are microbial bacteria which accumulate over time in stored fuels like diesel and gas oil. Given time to develop, these bugs eventually cause large puddles of water to form in your fuel. This can lead to engine and equipment failure and damage. Marine Diesel Bug Fuel Cleaning Service in Cardiff Marine Diesel Bug Fuel Cleaning Service in Swansea

Fuel Polishing: The Process

There is a precise sequence of phases of which fuel polishing is carried out. It is very significant that these follow each other, consecutively. This is to ensure that the fuel has all pollutants, for example, sediment, mud, and water removed.Our service is kind to the environment as well as being the top way to maintain your fuel quality. We likewise ensure that the microorganisms cannot return through neutralizing any remaining micro-fine elements. To help us complete this work, Bug-Buster have invested in a new advanced fuel cleaning equipment. This allows us to clean the fuel in a fast and effective manner without negotiating on the quality of the fuel.Over time pollutants, for example, water, microorganisms, varnish, and mud can build up in your storage tank; this can harm the life-cycle of your fuel. The most cost effective way to fight this is fuel polishing, to stop expensive replacement and equipment damage. 

Diesel Bug, Water in fuel, cleaning and removal in Cardiff  Swansea  Milford Haven 

Diesel Bug - Fuel Polishing

Fuel Sample Start to Polished
Filter pot's

Fuel Polishing

See how the pumps filter away water and contamination from your fuel.


The perfect solution for boat owners, river and sea going boats, agricultural vehicles and heavy plant machinery, domestic tanks, diesel storage tanks for back up generators and more.

Serving Cardiff Swansea Milford Haven Monmouthshire & Brecon Canal Kennet and Avon canal Gloucester and Sharpness canal river Avon river Severn Bristol Tewkesbury Upton on Severn


Diesel Bug Test Kit


(£0.00 shipping)

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Our Diesel Bug test-kit can be used to check for microbial contamination of diesel fuels in boats, storage tanks, home heating fuels etc. One test per kit. 


BUG BUSTER KILL, CLEAN, PROTECT - 100ml triple pack


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Bug Buster -Marine 16 is pleased to offer our Kill, Clean, Protect triple pack. With our MTU approved Diesel Bug Treatment, Diesel Fuel Complete and Diesel Injector Cleaner all aspects of your engine will be looked after.

Kill - Diesel Bug Treatment will erradicate any diesel bug
Clean - Diesel Injector Cleaner a single treatment that will clean your tank
Protect - Diesel Fuel Complete keeps your tank in a great condition

 As used by the RNLI and the Royal Marines - a comprehensive range of fuel treatments - highly recommended by Practical Boat Owner magazine.

Click here for Practical Boat Owner - Full Article

** We can also supply in larger quantities - 5ltrs, 25ltrs, 200ltrs and international bulk containers. Contact us for prices. **


Static dewatering and fuel polishing pump


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Diesel 12 volt static dewatering and fuel polishing unit. The Diesel Dipper removes free water and contaminents. Fuel is then polished by means of a washable filter. The Diesel Dipper is fitted with a pump which is suitable for any size fuel tank and will be supplied with straight fittings for 10mm ID pipe. (90 degree angle fittings also available upon request). Designed and manufactured in the UK. 12 months guarantee. Approximate dimensions as follows: Depth - 185mm, Width - 150mm and Height - 440mm.

Price: £478.00 



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Bug-Buster Fuel Polishing

Lynton Court, Cardiff, Caerdydd, Wales CF10 5NF, United Kingdom

07966 636571


Monday - Friday: 9am - 5pm

Saturday: By appointment

Sunday: Closed