Tartaric Acid - 4oz. CONTAINS: Food Grade Tartaric Acid DIRECTIONS: Use as directed in recipe. STORAGE: Store tightly sealed in a cool, dry place. NOTE: We purchase this product Certified Kosher OU in bulk. The product is then repackaged into smaller quantities without Kosher supervision, thus voiding the Kosher certification. We are not, nor do we make any representation to be, under kosher certification.