Help your Aga to run better In 2008 the sulphur content in Kerosene was reduced to 0.10%. Following this reduction there were many problems reported with Agas and other vapourised cookers coking up prematurely between services. As a result Tincknell Aga Additive Supreme was developed to help counteract the problems that appear to have been caused by the change in Kerosene specification. What are the Benefits of using Aga Additive Supreme? Reduces build up of carbon deposits and soot Inhibits sludge formation in fuel storage tank Stabilises fuel Keeps fuel fresher for longer Reduces service problems Improves system efficiency Tincknell Aga Additive Supreme Data Sheet