diesel additive to suspect or stored fuel

Most definately YES. I don't go bush without it. There was a good article in 4WD Monthly where they tested different ones. Basically no matter what you do diesel will always retain moisture and it's in the membrane between the water and the diesel that small micro organisms live and multiply. It is often refered to as algai in diesel. Addatives mix with the water and enable it to then mix with the diesel and burn, it also has chemicals to kill off these organisms. The best they found was WYNNS EDT which sells for $27 for 1lt , you use 50-100 ml at a time . It is usually not stocked so you would have to order it. It was found that it not only dispersed water and killed off naties but caused the little suckers to break into pieces small enough to go through the filter and burn. not all adatives did this and the dead organisms eventually turned up in the bottom of the tank as sludge.I would also invest in an aftermarket filter with a glass bowl and drain tap.

The issue of diesel quality is of interest to me, changing to a diesel truck and wanting to do some of the more remote regions in the near future. When I saw this post I rang our military fuels and lubricants experts to see if there was a way of minimizing or avoiding the problem of dodgy fuel. In short, there's no way of testing for bugs or filtering them out on the way into the tank, although you could get the resultant gunk out on the way in. There is a 'drip on the strip' test for one bug, but it's about $150 a pop - cutting edge stuff, but it might expand and come down in price. Testing for bugs is complicated and can only be done in the lab - you have to grow them etc. They also don't much go for additives, or the various debugging devices that are out there, since many are unproven and shall we say overstated in their beneficial effect. Note I'm not saying that anything above doesn't work! They rely almost entirely on good housekeeping to achieve good quality, and most of that relates to keeping water out of the fuel. If the drum stock is sealed and stored properly, without evidence of leaking etc, you should be OK. As we do with all aviation fuel every day, a sample of fuel from the bottom of the tank or drum will indicate the presence of water, and a 'clear and bright' test will show obvious impurities/gunk which show bugs are in the fuel. Their policy is if it doesn't look good, don't use it, but that's no help in the middle of nowhere at a fuel dump is it? The only additive they use is a product called Fireprep 1000, which gets rid of the water in the fuel, and allows it to be burnt.Russell S
Prado RV6

As Ted said fuel set is a really good product i dont go much for additives.But sell heaps of this and get nothing but good responeses from customers.Its made in WA by a company called liquid engineering.Is exported to 80 countries and is used by many trucking companies.It will break up the algea and micro organisms and will dissipate any water in to the fuel to be burnt.Its primarily made for diesels but is equally effective in petrols the 300ml bottle is about 8 bucks.Use a whole bottle in the first treatment then 20ml there after per tank.And no i dont work for liquid eng but am only to happy to rave about a locally made product that works.Mike Gotta get out there. Debbie and Mike