As a teenager, I was a lifeguard every summer which required that I understand water chemistry and the challenges that come with that task. Due to the smaller amounts of water in a spa, it is very important that a proper balance be kept in order to maintain clean and clear water. Silk Balance removes the difficulty of using multiple chemicals to maintain healthy spa water. With a simple once a week treatment, I have found this system to be the most simple and reliable product in the market. It truly takes out the guess work and leaves you with a wonderful spa experience as we all deserve.