The product is for large volume nasal rinse, also known as nasal irrigation. For best results, please use with the NasalCare Nasal Irrigator. Dissolve the contents of one packet in 6 oz. (240 ml) of lukewarm distilled or bottled water in the nasal irrigator. Cleanse the nose as instructed in the NasalCare® Nasal Rinse Starter Kit.