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Our diesel fuel test kits are low cost and a fast way to check diesel and kerosene for water, algae, bacteria, fungus, mold or other particle contamination in your workshop or in-field. In the FT-1 kits you have two independent tests in each kit, our special water detection agent powder will quickly alert you to even the smallest amounts of water contamination at 20 PPM (parts per million) and above is detected; additionally our visual analysis indicator test on the bottle will clearly show you the general quality of your fuel with a haze rating test in the FT-1 kit.

Our more advanced FT-Combo kits includes bacterial detection in addition to water testing, you can also just purchase the water detector capsules by themselves in individual vials just for checking of water contamination in your fuel.

All FT-1 premium and FT-Water kits when shipped will have a best use by date of at least 10 months to a maximum of 12 months, the FT-Combo kits have a best use by date of at least 5 to 7 months when shipped so please keep this in mind when purchasing.

Choose from three different Diesel Fuel Test Kits

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Purchase our test kits and get yourself some peace of mind knowing your fuel is in good working condition when you need it the most. The FT-Premium and FT-Water tests takes only a few minutes to complete with the FT-Combo results can be seen in 12 to 24 hours. The test kits can be used easily by anyone without any special skills. You can use the kits yourself personally or you can use them in your service, parts or workshop equipment facility. They also can be used to introduce customers to preventative maintenance when you service their equipment which adds value to your customer service department. They can be used on most types of diesel or kerosene fuels easily at a low cost, view the FT-1 info-graphic here.


NB – The main integral water and bacterial detection components of these test kits are made in the USA, Germany & UK.

Other non key parts of the kits like gloves, labels, bottles and packaging are sourced from Asia. This ensures high quality components at the best overall price for the kits.


 FT – 1 Premium diesel fuel test kit use

fill test bottle with fuel sample

 insert detection agent into bottle

 shake & allow to rest for 5 minutes

inspect visual analysis indicators

observe detection agent for color change for signs of water

pass or fail test sample & if needed carry out fuel maintenance – fuel treatment, filter change etc

FT – 1 Standard & Premium diesel test kit instructions pdf-iconPDF download

FT – BUG Diesel test kit instructions pdf-icon PDF download

FT – 1 Test Kit Info-graphic pdf-icon PDF download

Choose from three different test kit options

1 packaged test kit = 1 x 120 ml / 4 oz test bottle – 1 x pair plastic  gloves – 1 x water detection agent – 1 x instructions on label in zip bag.
Part # FT-1 Premium test kits are priced @ USD 5.95 per unit – min order 5 units
1 packaged test kit = 1 x 120 ml / 4 oz test bottle – 1 x pair latex gloves – 1 x water detection agent – Packaged in a clear PVC display box with a hang tab suitable quality for retail sales.
Part # FT-Combo = FT-1 + FT-BUG @ USD 17.95 per unit
1 x 100 ml test bottle – 1 x water detection agent – 1 x dip-slide bug kit (with diesel fuel red spot technology) – 1 x pair latex gloves – 1 x specimen label – 1 x A4 instructions in a clear PVC display box with a hang tab of suitable quality for retail sales.
Part # FT-Water 

1 x kit = 1 capsule of water detection agent. You can order minimum  of 20 test units.

Part FT-Water 20 = 30 test kits @ $3.15 per kit = Total Price $63.00
Part FT-Water 30 = 30 test kits @ $2.75 per kit = Total Price $82.50
Part FT-Water 50 = 50 test kits @ $2.50 per kit = Total Price $125.00
Part FT-Water 75 = 75 test kits @ $2.25 per kit = Total Price $168.75 
Part FT-Water 100 = 100 test kits @ $1.95 per kit = Total Price $195.00 

We ship on standard or express postage – you can ship on your FEDEX, DHL, TNT account.

email us for a special price quote for a big QTY order.


Diesel fuel is the blood of your engine and over time your fuel can become infected with items like algae or water can make its way into your tank due to condensation. When you get water in your fuel this can lead to rust in tanks also if this water makes its way to your fuel pump or injectors you can have expensive damage repair bills.

Why wait for these disasters to unfold? Not only will you have the cost for the repairs you will have the inconvenience of your vehicle or equipment out of service for maybe weeks. People with power generators and marine equipment are very susceptible to diesel fuel problems due to the lack of use of the fuel; ie not being used enough. Take a look here should you need to view some diesel fuel polishing equipment.

One way to keep a check on potential diesel fuel problems is to carry out a regular six monthly fuel test in order to be sure that your fuel is in good operating condition; ensure its good to go when you need it the most. Refer to our PDF info docs about diesel fuel maintenance from the menu tab for more informative tips. These single use test kits are an easy and a fast way to check diesel fuel for problems; they are a non-quantitative test and do not have a specific numerical result as are some types of tests that can be very expensive and time consuming to do.

The test kits are designed as a first and fast step in the evaluation of diesel fuel, for critical applications or to be 100% sure of your fuel quality you should use a laboratory for a complete numerical quantitative analysis. When handling flammable fuels ensure all health, safety regulations and environment requirements are followed.