Stop Diesel Bug
What is it and how do we get rid of it?
Diesel bug are microbes that live at the interface between water and diesel fuel. In some places it’s also known as diesel fungus or the diesel virus. The presence of Diesel bug in your fuel tank can be a potential risk to your engines fuel system and can cause serious damage and eventually lead to engine failure.
If the fuel stored in your tank has been subject to variations in weather and temperature or your fuel has been stored for long periods without usage, then there is a considerable danger that your fuel may be contaminated.
Contamination from Water.
The most common contaminant is WATER, usually building up from condensation. Because biodiesel is hygroscopic (it attracts water molecules from atmospheric moisture). It is vital that the utmost care is taken to reduce, as far as possible, any contact which the fuel may have with water or water vapour. Fuel containing any amount of water could seriously damage your equipment’s fuel injection system and would make it more prone to breaking down.
Contamination from Bacteria and ‘The Dreaded Diesel Bug’.
Sulphur free diesel containing biodiesel will also be more prone to bacterial contamination than normal mineral diesel / gas oil.
This fuel has inherent bacteria and the presence of any water accelerates the growth of microbe colonies which are able to breed and multiply and will eventually completely plug and block a fuel system (see picture opposite).
This ‘bug’ will form a layer between the fuel and the water and as it breeds it produces waste which is usually evident as black sludge and slimes or dark lumps.
These eventually fall to the bottom of the tank and encourage further problems with the potential to cause severe damage through further blockage of fuel filters and increased corrosion.
Getting rid of the ‘Bug for Good’
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