Is Sea Foam® Safe?
For more than 65 years, Sea Foam® has been proven to be safe for use in all engines, both diesel and gasoline, and won’t harm gaskets, seals or other internal components of the engine, fuel system or oil system. Sea Foam® is a pure petroleum blend with no chemical additives. Sea Foam® has been endorsed by numerous engine manufacturers, and is recommended by thousands of professional mechanics and service technicians throughout the U.S. and Canada.