Pure Calcium Chloride (Molecular Gastronomy)  Non-GMO  Vegan  OU Kosher Certified - 400g/14oz 100% Food Grade (beware cheap industrial grade products not meant for human consumption) Highest Quality Assured by Strict Orthodox Union Certification Standards Used to set Sodium Alginate in the Spherification process Best source of calcium for direct Spherification setting bath. Should not be used in Reverse Spherification due to bitter taste. Perfect for Molecular Gastronomy and Modernist Cooking applications