United States Patent Gargas 6,814,877 November 9, 2004 1. Method of producing at least one of chlorite, chlorine dioxide and chlorate by combining the reactions of ozonation and electrolytic chlorination Abstract A water purification system for a swimming pool, pond, aquatic mammal tank, spa or fountain, which is simple to operate, low in maintenance, and highly reliable. The system takes advantage of synergistic benefits derived from the combination of ozonation and electrolytic chlorination in the same system. Combining both of the technologies of Ozonation and Electrolysis allows as insite production of at least one of chlorine dioxide that is used as a disinfectant agent for treating water reservoirs. Inventors: Gargas; Joseph (Apollo Beach, FL) Assignee: Gargas; Joseph (Apollo Beach, FL) Murphy; Robert (Apollo Beach, FL) Appl. No.: 10/323,334 Filed: December 18, 2002