Ma-Kai [muh-kahy] Hawaiian for seaward; towards the sea. Celtic Sea Salt Makai Deep Sea Salt has an alkalizing pH of 10.22! Our Makai Deep Celtic Sea Salt is naturally derived from pure seawater 2000 ft. below the surface of the ocean. This remarkable sea salt is harvested using a sustainable, proprietary method which leaves vital minerals intact and produces a salt that is naturally 33% lower in sodium than table salt. It also provides 2% daily value of calcium and magnesium per serving. Enjoy its smooth flavor as a superior gourmet sea salt.