Alternative Sanitizing Systems - Mineral Sanitizers for Pools and Spas

Salt Chlorinators use small amount of natural salt (Sodium Chloride) is dissolved into the water (becoming about half as salty as a human teardrop). The system's electrolytic cell is plumbed directly in-line with the pool equipment. The power control unit is wired to the pool timer so it purifies the water when the pump is running. The power control unit can be adjusted to the desired level of purifier production. As the water flows through the electrolytic cell, electrolysis separates the saline into its basic components, sodium and chloride. Chlorine gas is produced by this process and goes to work in the cell chamber to oxidize bacteria and purify the pool water. Following this process most of the chloride and sodium re-bond and become natural salt again. Only a small amount of salt needs to be added one or twice a year to replace the salt lost due to splash-out or backwashing of the filter. Because the purifying takes place in the cell chamber (not in the pool water itself) you can swim in your swimming pool without the worrying about what sanitizing chemicals may do to your skin, or clothing. With this form of sanitation you do not need to add any chlorine to your pool water. This differs from the other methods we will consider as they all require a small amount of chlorine "residual", or equivalent there of (i.e. non-chlorine shock), to function properly.

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Ozone is a natural oxidizer and therefore another way to sanitize your swimming pool. Ozone is produced by passing air through a high voltage electrical discharge, or corona. A minimum of 5,000 volts of electricity is necessary to create the corona. Air or concentrated oxygen dried to a minimum of -60°C dew point passes through the corona which causes the O2 bond to split, freeing two O1 atoms which then collide with other O2 molecules to create ozone. The ozone/gas mixture discharged from the CD ozone generator normally contains from 1% to 3% ozone when using dry air, and from 3% to 6% ozone when using high purity oxygen as the feed gas. You may be familiar with ozone use as a sanitizer in spas and hot tubs. The tricky part about using it in large swimming pool is getting enough ozone into the pool water to be effective. You will also still need to use some chlorine (or non-chlorine shock) in your swimming pool to keep it clean. You can expect an ozonator to reduce the total amount of sanitizer you use by about 60%.

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