Sundance sunpurity mineral sanitizer 2-pack. Sundance spas sunpurity mineral sanitizer cartridge – 2 pack. Sunpurity provides the ultimate in water purification for your spa for four months. Mineral purification is a natural process that carries out three functions: disinfection, algae prevention and clarification. Natures2 sunpurity considerably reduces the amount of chlorine required in the spa or hot tube water. Protects and prolongs the clarity of the water without the usual dosage of chlorine. Please feel free to contact clearview fireplace and patio, we would be happy to help. _gsrx_vers_526 gs 6.6.6 (526).The item “Sundance SunPurity Mineral Sanitizer 2-Pack” is in sale since Friday, January 23, 2015. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Spas & Hot Tubs”. The seller is “clearviewhome” and is located in Oswego, New York. This item can be shipped to United States.