Keeping your spa water clean and fresh can be a challenge for some people. At Sundance spas our engineers have dedicated enormous amounts of time in trying to solve this age old problem. Unfortunately no one solution is available. However the engineers have developed patented Clearray technology to enhance your spa experience. The special UV light kills pathogens without adding anything to the water recirculating system, so at the same time its doing its job of helping to keep the water clean it does not alter the chemistry of your water. Thus minimising your chemical usage. For heavy users an ozone system can be added to help with your water purification and is compatible with the Clearray system.