24/case directions: use only clean, lukewarm water that is distilled, sterile or previously boiled. Follow the usage instructions for the nasal cleansing device that you own. Consult your healthcare practitioner prior to use. Serving size: one (1) packet per 8 oz. Clean, lukewarm water ingredients: sodium chloride (usp grade) no additives. No anti-caking agents. No iodine. 05/14/18