hatís because Mercury's fuel care system helps prevent problems commonly associated with both types of fuel, such as:
Ethanol-blended

* Corrosion

* Gum and varnish build-up
* Phase separation

Non-ethanol-blended

* Moisture
* Corrosion
* Fuel breakdown and oxidation

Click on Sample, Right hand side of the page

Request a free sample of fuel care for your boat, treats 6 gal. link