If you use salt that does not contain iodine, you might want to combine it with baking soda, i.e., one teaspoon of baking soda with three teaspoons salt. After thoroughly mixing it in an airtight container, dissolve just a teaspoon full of it in lukewarm distilled water, approximately 8 ounces https://www.noor-lifestyle.com/2017/02/cold-cough-remedy-home-best-home.html