Patent ID: 7329343

Claim:
A system for treating water in a swimming pool, spa, bathing, or other water holding reservoir connected to a main water circulation loop including a water pump and water filter for drawing said water from said water holding reservoir and returning filtered said water to said water holding reservoir, said system comprising: a bypass loop coupled to said main water circulation loop such that a portion of said water flowing through said main water circulation loop flows through said bypass loop and is returned to said main water circulation loop, said bypass loop including: a treatment chemical injection device for injecting a treatment chemical into said portion of said water flowing through said bypass loop, and, an electrolysis cell receiving water from said portion of said water flowing through said bypass loop, said electrolysis cell being energized by a power supply so that a halogen freed by electrolysis from a halogen salt dissolved in said water is made available to react with contaminants and/or other treatment chemicals in said water returned to said main water circulation loop, an ozone generator coupled to said treatment chemical injecting device for providing a gas mixture including ozone to said portion of said water flowing through said bypass loop.