Morton 40 lb. Professionals Choice Pool Salt is a premium salt that allows you to enjoy all the benefits of a salt water pool. Its all natural formula proves gentler on hair, skin, and eyes and is also gentler on your swimwear. Plus, it dissolves in less than 3 minutes-allowing you to get back into that clean and refreshing water faster. The highly rated pool salt you can trust- from the salt experts. Bagged.