How often should I add Ferox Fuel Additives to my fuel?
Being that Ferox Fuel Additives is a catalyst and not a detergent it is safe to use with every tank of gasoline or diesel. It is recommended that Ferox Fuel Additives be used consistently. Doing this will not only clean out the engine, it will also prevent future carbon build-up. The more consistent you are, the more money you’ll save.