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2. Salt water chlorination - Wikipedia

   en.wikipedia.org/wiki/Salt_water_chlorination

   The presence of chlorine in traditional swimming pools can be described as a combination of free available chlorine (FAC) and combined available chlorine (CAC). [1] While FAC is composed of the free chlorine that is available for disinfecting the water, the CAC includes chloramines, which are formed by the reaction of FAC with amines (introduced into the pool by human perspiration, saliva ...

3. Swimming pool sanitation - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool_sanitation

   To kill pathogens and help prevent recreational water illnesses, pool operators must maintain proper levels of chlorine or another sanitizer. [10] [11] Over time, calcium from municipal water tends to accumulate, developing salt deposits in the swimming pool walls and equipment (filters, pumps), reducing their effectiveness.

4. Water chlorination - Wikipedia

   en.wikipedia.org/wiki/Water_chlorination

   As an alternative to shock chlorination, some swimming pools are chlorinated by use of a chlorine-generating filter that electrolyzes common salt. Pools chlorinated by this method generally have lower levels of chlorine than directly chlorinated pools. Such pools are called saltwater pools. [citation needed]

5. Does chlorine kill coronavirus? - AOL

   www.aol.com/article/lifestyle/2020/06/03/does...

   The CDC recommends maintaining a free chlorine concentration of at least 1 part per million in swimming pools, and at least 3 ppm in hot tubs. Pools should also strive for a pH of 7.2 to 7.8 ...

6. Local officials are reportedly worried chlorine suppliers are ...

   www.aol.com/news/local-officials-reportedly...

   A shortage of chlorine has caused at least 10 water systems to apply for assistance under the EPA's Safe Drinking Water Act for the first time ever.

7. CDC confirms red eyes at the pool are caused by urine, not ...

   www.aol.com/news/cdc-confirms-red-eyes-pool...

   While chlorine kills most bacteria such as E. Coli in less than a minute, it takes at least 16 minutes to kill Hepatitis A, and the Cryptosporidium parasite can last in the swimming pool for over ...