The MECHANIC IN A BOTTLE PETROL TEST SWABS are part of the multi award winning family of fuel solution products from B3C. This product range is scientifically engineered to provide a quick, easy, and effective means to TEST - FIX - PREVENT the problems associated with modern day fuels.
The Mechanic In A Bottle Petrol Test Swab provide a quick and easy means to test your diesel, taking just a few minutes; they provide a visual indication and if it is contaminated by water, rust/scale, or sludge and asphaltenes.
Step 1. Attach a swab to the extendable probe.
Step 2. Submerge the swab into the fuel tank until it touches the lowest point at the bottom of the tank. Brush the swab across the tank bottom several times.
Step 3. Shake swab; let dry for 2-3 minutes. (Do not exceed 3 minutes)
Step 4. Compare the swab to the diesel & tank test Chart.