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  2. 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.

  3. How Can You Tell That a Public Pool Is Safe To Swim In?

    www.aol.com/red-flags-signal-public-pool...

    To be considered safe, the chlorine concentration in a pool should be high enough to control any potential pathogens in the water, Tetro says. This is usually about 1 part per million.

  4. Shock chlorination - Wikipedia

    en.wikipedia.org/wiki/Shock_chlorination

    Shock chlorination is performed by mixing a large amount of sodium hypochlorite, which can be in the form of a powder or a liquid such as chlorine bleach, into the water. The common advice is that the amount added must raise the level of chlorine to 10X the level (in parts per million) of chloramines present in the pool water; this is "shocking".

  5. Salt water chlorination - Wikipedia

    en.wikipedia.org/wiki/Salt_water_chlorination

    Salt water chlorination is a process that uses dissolved salt (1000–4000 ppm or 1–4 g/L) for the chlorination of swimming pools and hot tubs.The chlorine generator (also known as salt cell, salt generator, salt chlorinator, or SWG) uses electrolysis in the presence of dissolved salt to produce chlorine gas or its dissolved forms, hypochlorous acid and sodium hypochlorite, which are already ...

  6. Water safety essentials: How to keep your kids safe at the ...

    www.aol.com/water-safety-essentials-keep-kids...

    It’s summer vacation season, and that means lots of time spent by the pool, at the beach or lake, or at the water park.Many fun family memories are created around the water. But it’s also a ...

  7. Water chlorination - Wikipedia

    en.wikipedia.org/wiki/Water_chlorination

    Checking chlorine level of the local water source in La Paz, Honduras. Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water . This method is used to kill bacteria, viruses and other microbes in water.