The Ancient Secrets New Nasal Cleansing Salt is the most economical and high-quality choice on the market for the practice of Neti Nasal Cleansing. 100% pure, “USP grade”, non-iodized salt with no anti-caking agents. Mix ¼ teaspoon with 8 oz Lukewarm (not hot or cold) water that has been previously boiled or distilled into your nasal cleansing pot. Follow the instructions for use of the nasal cleansing product you own. Be sure to reseal zip-lock bag to prevent moisture affecting the salt.