Will a water softener add salt to my drinking water?
Not at all. This blog will help you to better understand the amount of sodium/salt after adding a water softening system to your home. Read more. There is only a minimal increase in sodium. Salt is essential to regenerate the resin inside the tank, and after regeneration the salt water is rinsed out through a drain line. The ion exchange process adds a small amount of sodium. The amount of sodium in one 8 oz. glass of softened water is less than the sodium in one slice of bread. The exact amount of sodium will vary depending on the hardness of your water.