As purveyors of salt, we have traveled the world to bring you a top notch culinary experience! French Grey Sea Salt is a culinary delight favored by professional chefs around the world! This admired delicacy is formed when sea water flows into the French Guérande Marshes during high tide. It is hand-harvested by salt workers, using skills and methods over a thousand years old. Sel Gris de Guérande obtains its natural grey coloring from the salt crystallizing on clay, which makes it dense in flavor and nutrients. French Grey Sea Salt is KOSHER CERTIFIED