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Showing posts with the label NaDCC

Ways to Regulate Quality of Swimming Pool Water

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  To regulate quality of swimming pool water, a filtering system is generally not adequate. To regulate or prevent growth of organisms in swimming pool water non-professional users may treat private pools. For disinfection, appropriate balanced water chemistry must maintain an adequate active chlorine level. The active chlorine (free chlorine) disinfectant is employed to sanitize,   kill disease-causing organisms, as well as oxidize, destroy ammonia, nitrogen-containing contaminants and swimmer waste. Some details of swimming pool water disinfection Properly balanced or saturated water prevents damage to the pool and equipment. Unsaturated water corrodes plaster walls, fixtures, plumbing, etc., and causes staining.   Oversaturated water deposits scale or becomes cloudy. The operator needs to test and control Free Available Chlorine, pH, total alkalinity, TDS, & hardness to keep balanced water. Cyanuric acid can also be supplied as ingredient in stabilized chlorine gra...

Efficient disinfection performance of disinfectants containing NaDCC

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  Hypochlorites, the most widely used of the chlorine disinfectants, are available as liquid or solid. The most prevalent chlorine products in the United States are aqueous solutions of 5.25%–6.15% sodium hypochlorite, usually called household bleach. They have a broad spectrum of antimicrobial activity, do not leave toxic residues, are unaffected by water hardness, are inexpensive and fast acting, remove dried or fixed organisms and bio‒films from surfaces and have a low incidence of serious toxicity. Sodium hypochlorite at the concentration used in household bleach (5.25‒6.15%) can produce ocular irritation or oropharyngeal, esophageal and gastric burns. NaDCC   with  2,500 ppm available chlorine  is effective against bacteria in the presence of up to 20% plasma, compared with 10% plasma for sodium hypochlorite at 2,500 ppm. "Super oxidized water" has been tested against bacteria, mycobacteria, viruses, fungi and spores. Freshly generated super oxidized water is ra...