This system combines patented Nature2 mineral technology with an automatic salt water sanitizer. The Nature2 Fusion Soft delivers water that is noticeably cleaner, clearer, and softer. Nature2 is proven to destroy bacteria and control algae, so your pool water will be sparkling clean without having to add extra chemicals. Nature2 is a natural supplement to salt water. It helps maximize salt investment, while reducing the annoying and harmful effects of harsh chemical use. No other system is this complete or easy to install, use, and maintain.