Wellis Crystal is an environmentally friendly water care system, that can be used in your spa or hot tub. Wellis Crystal will help you to keep the water in your spa clean in a safe, simple and effective way. With only one weekly
treatment Wellis Crystal will help you to prevent calcium deposits in your system. Moreover. Wellis Crystal will loosen and remove the existing calcium deposits. These calcium deposits are the medium where bacteria and other micro-organisms grow. The UV-C system already in your spa, will do the rest. It will destroy the bacteria and disinfect the water.
