Spa naturally using the proven power of minerals. Nature2 Spa is a low-maintenance alternative to chlorine that uses the antimicrobial power of minerals to give you cleaner, clearer water while providing round the clock algae control, even when your pump is not running. A convenient and simple sanitizing solution, Nature2 Spa drastically reduces chemical use, helping to keep pH in a neutral range and prolonging the life of your equipment. Guaranteed not to stain surfaces, Nature2 Spa installs in seconds and is easy to maintain. You can simply sit back, relax and enjoy your spa without feeling, smelling, or being affected by harsh chemicals.