This great product is essential if you have cars or boats that "sit" for long periods.  Some people think all they have to do is start their car / boat every week or so to keep it in shape.  That's not so.  Fuel that sits for days or weeks at a time gradually deteriorates.  When you pour our Fuel Preservative / Stabiliser in your tank, oxygen is chemically isolated preventing oxidation, corrosive compounds are neutralised, stopping rust formation.  Our special dispenser bottle will measure exactly for you with no waste.  Use 30mls per 11 litres for normal maintenance, or 30mls per 3.8 litres to thoroughly clean your fuel system.  Contains no alcohol. For petrol & diesel engines, 2 or 4 stroke.