Mechanic In A Bottle Petrol Test Swabs offer a quick and simple way to test your petrol. It takes less than 3 minutes to complete and the swabs provide a visual indication as to the condition of your petrol – Fresh, Marginal, or Bad allowing you to see if it is suitable to use in your engines.
If you previously mixed a 2-stroke mixture, you can use these fuel testing swabs to find out if the mixture is still safe to use in your 2-stroke machinery.
Step 1: Submerge swab into the fuel for 5 seconds.
Step 2: Shake swab; let dry for 2-3 minutes. (Do not exceed this time)
Step 3: Compare to petrol test chart within the packaging. (Indicator colour takes several more minutes to develop for 2-Stroke mixed fuel).