Nutrition and Supplements Sauces and Condiments Biolasi Salt Fine Grey Bag 500 g 500 gr With the selection guarantee of Biolasi.Guérande Gray Sea Salt is collected in French Brittany.Unrefined andfree of chemicals and synthesis. • This sea salt has been handcrafted in the Breton salt mines of Guérande and subsequently dried in the sun. • Dehydrated byelectric and ground energy in stone mill.