I do use salt in the water but not too much since the first thing I grab when eating is the salt shaker. Some recipes call for kosher salt which does not contain iodide. Instead we use a brand of sea salt that does contain iodide and the salt shakers from the girl with the umbrella all contain iodide which is a necessary nutrient. https://pubmed.ncbi.nlm.nih.gov/8748212/#:~:text=Iodine%20as%20a%20trace%20element,goiter%2C%20hypothyroidism%2C%20and%20cretinism. What is interesting is my sodium is always low when I have a blood test. And people would love to have my BP.