How to Use a Neti Pot Allergies Mix approximately one-third teaspoon of salt and a pinch of baking powder in one cup of lukewarm water. Pour the solution into the neti pot.Rotate and tip your head over a sink, and pour the solution into one nostril. Keep pouring until it flows out of the other nostril.Spit out any fluid that enters the mouth. Repeat on the other side Want to Keep Reading? Continue reading with a Health Confidential membership. Sign up now Already have an account? Sign in