Electrolytic Chlorine Generators

The major advantage to utilizing the ECG systems is safety. These systems provide a safe method of sanitization–no need for bulky, heavy containers of powdered chlorine or tablets, or liquid-bleach carboys. There is no possibility of a chlorine leak or inexperienced personnel mixing chlorine with dangerous chemicals. Erosion feeders are eliminated from this process, which has been the cause of many accidents. Facility safety is of the utmost importance in aquatic venues; liability is one of the major factors in swimming-pool operation. The installation of the safer chlorine generator systems has proven to eliminate the exposure to gaseous fumes, which has plagued operators for years.

Few chemical adjustments are necessary with salt systems. Organic sanitizers, such as tri-chlor, have a pH range of 2.8 to 3.5, which inherently lower the pH of the pool water, requiring the addition of sodium carbonate to raise the pH. The ECGs produce a near-neutral pH. Most public-pool operators install a muriatic acid chemical feeder to automatically maintain the pH level. Recent changes in some health codes now recommend an Oxidation Reduction Potential (ORP) device to continually measure the activity of oxidation. Recent technologies couple a chlorine generator with a muriatic acid feeder, ORP and ozonator to provide the ultimate in sanitization and oxidation.

Another benefit is that the installation is easy and the equipment takes up little mechanical space. There are only four components to the ECG system: the power supply, the electrolytic cell, flow protection device and, of course, salt, which is dissolved in the pool water.

The systems today are enhanced with digital readouts that allow the operator to precisely manage the pool-water quality. The pool operator has confidence, knowing there is continuous chlorine sanitation (and localized super-chlorination in the cell) occurring, thus eliminating potential instances of poor water quality and exposure to diseases.

And finally, the patrons will enjoy a feeling of soft, silky water, with no red eyes, itchy skin and faded swimwear. Their comfort level is enhanced because there is no chlorine smell (chloramines) in indoor facilities. Keeping the visitors comfortable and coming back are the keys to operating a successful aquatic complex.

Connie Gibson Centrella is a professor and Program Director for the online Aquatic Engineering Program at Keiser University eCampus. She was twice-honored with the Evelyn C. Keiser Teaching Excellence Award “Instructor of Distinction.” Centrella is an industry veteran with over 40 years experience in the pool and spa industry. She is a former pool builder with extensive knowledge in pool construction and equipment installation as well as manufacturing.

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