Professionals know that the ultimate pool sanitation method is ozone. The Intex Krystal Clear® Ozone and Saltwater System keeps your pool water sparkling clear with no chemical smell. You will be able to enjoy your swimming experiences with no more faded swimsuits, red burning eyes or hair discoloration. The Intex Krystal Clear® Ozone and Saltwater System combines the sanitizing power of ozone with the water comfort of saltwater to give swimmers and pool owners the ultimate swimming experience. Ozone, is a naturally occurring element in the environment, and is highly effective in killing virtually all bacterial, algae, model and viruses on contact. Combined with the residual sanitizing effects of converting salt into chlorine, it provides the ultimate in clean, sparking and odorless pool water.