Why Use Ozone?
OZONE oxidizes and decomposes organic and inorganic contaminants at a higher rate that other reagents. Normally one or more orders of magnitude faster than Chlorine, the most commonly used reagent.
OZONE has faster sterilization and disinfection rate over 3000 times that of Chlorine in water and it is far safer. That is why OZONE has been used in the Paris water system since 1903 and is currently used by Los Angeles, (1984) and San Diego, (1986). Los Angeles has the world's largest ozone generating system, (LA Aqueduct)
Sterilization and disinfection rates are independent of NH3 and are not affected by pH, as is Chlorine. Microorganisms that are normally resistant to Chlorine, requiring hours of contact time, are killed in seconds by ozone.
There are no bacteria or viruses, which are resistant to OZONE, as it acts as an OXIDANT of PROTOPLASM. That is why trace residual OZONE is accepted as a standard of reference for full disinfection of water. {Ref. Bottled Water}
Other than microorganisms, OZONE decomposes organic and inorganic contaminants in water are harmless compounds that can be easily separated or transformed by settling, filtering, etc.
OZONE reacts favorably with material and compounds with which Chlorine does not react or reacts in an unfavorable manner so as to leave undesirable by-products.
1. Substances imparting color, smell or taste.
2. Iron and Manganese.
3. Cyanides, Phenols, etc.
Ozone is produced when oxygen molecules (O2) are split into two oxygen atoms (O1) while in the presence of other oxygen molecules. These oxygen atoms (O1) then combine with molecular oxygen (O2) to yield ozone, O3.

Ozone is generated naturally by short-wave solar ultraviolet radiation, and appears in our upper atmosphere (ozonosphere) in the form of gas. Ozone also may be produced naturally by passing an electrical discharge such as lightning through oxygen.
Ozone kills microorganisms with a process known as “cellular lysis”. In the oxidation process, ozone ruptures the cellular membrane of microorganisms and disperses the bacterial cytoplasm into solution, thus making reactivation impossible. This process takes place in about 2 seconds.

The combination of ultraviolet light rays, low passive levels of oxidizing ions and ozone creates the Catalytic Oxidation Process, utilized for years by the EPA, food industry and medical profession as a safe and effective sanitizer.