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 sanitising 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 — so you can simply sit back, relax and enjoy your spa without feeling, smelling, or being affected by harsh chemicals.