Rioka seawater extracted from the Cantabrian Sea at a depth of 10 meters. It comes from the Urdaibai Biosphere Reserve, off Cape Matxitxako in Bizkaia with all its properties and natural elements. It can be diluted with other Mineral Waters to obtain Isotonic Seawater. Seawater is a hypertonic solution and, by drinking it directly, the body's cells become dehydrated, even dying. In order to be beneficial for the body, its concentration of salts must be lowered to 8-9% of salts per liter of water, making the solution Isotonic. This Isotonic Drink provides the body with water, salts and trace elements in a natural state that help in the recovery of efforts, prevents dehydration or helps to compensate for the lack of these minerals in the habitual diet. Contains more than 70 chemical elements and trace elements, approximately 36 gr / l of mineral salts. Decanted and filtered, without chemical treatments. It is ideal for cleaning and thawing all kinds of fish and shellfish, giving them back all their natural properties, flavor and aroma. You will also notice the difference in flavor in soups, gazpachos and salmorejos. You can try to replace the water and common salt with sea water for cooking stews and paellas.