If you water doesn't look fresh, smell fresh or feel smooth, chances are the ozone generator on your spa has expired. Typically lasting 3 years, ozone controls bacteria and viruses, breaks down oils and other bodily scum, plus helps remove tiny particles that somehow keep making it through your filter causing your spa to look hazy. Like a pump, heater and filter, ozone is important. After all, didn't you invest in the WATER? Update your water sanitation system today with DEL Ozone from HotTubWorks.com. Relax in healthier water with less chemicals. After all, you deserve it.