Starbrite Star-Tron Diesel AdditiveStarbrite Star Tron Enzyme Fuel Treatment is a multi-functional fuel additive which uses a unique enzyme technology that allows all engines to start easily and run smoothly, even after sitting idle for months. Star-Tron eliminates and prevents possible fuel problems. This additive breaks down excess water and sludge to sub-micron size, allowing it to be safely burned away during normal engine operation. Additionally, Star Tron increases fuel economy by cleaning the entire fuel system, removing performance robbing gum and varnish deposits which modifying how fuel burns. This results in more complete and uniform combustion, maximum performance, increased fuel efficiency, reduced emissions and reliable operation. Star Tron eliminates carbon build-up from burners, injectors, and exhaust components.Star Tron will stabilize fuel for up to two years, preventing the formation of gums and other solids that clog fuel injectors. Star Tron is safe for all engines and overdosing is not harmful.Features: Helps increase fuel economy; 1 fl. oz. treats 32 gallons of diesel fuel; Makes engines start easier, run smoother; Cannot be overdosed; Disperses moisture to help prevent bacteria; Reduces all emissions - eliminates diesel soot; Stabilizes diesel fuel for up to two years; Lowers fuel system maintenance; Eliminates carbon build-up from burners, injectors and exhaust components; Sizes Available: 16oz - treats 512 gallons; 32oz - treats 1,024 gallons; How to Use Starbrite Star Tron Diesel Additive:For Initial Use Add 1 fl. oz. for every 16 gallons of fuel.; For Refills Add 1 fl. oz. for every 32 gallons of fuel; Always add Star Tron just before each fuel fillup. Remove cap and pour the prescribed amount into tank. Overdosing is not harmful.