Is a concentrate of vitamins, amino acids and trace elements focused to meet the nutritional requirements commonly associated with freshwater ornamental fish kept in closed systems. Nourish ™ contains potassium iodide on the basis of spirulina and chlorella.The nutrient iodine is essential for the biosynthesis of thyroid hormones, thyroxine and triiodotiroxina *. Both spirulina and chlorella contain a rich assortment of amino acids and vitamins.Nourish ™ can be used in ornamental fish of sea water, however, has been specifically designed for freshwater fish, which have often been associated with thyroid diseases (especially among cichlids).