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  2. Swimming pool sanitation - Wikipedia

    en.wikipedia.org/wiki/Swimming_pool_sanitation

    When any of these pool chemicals are used, it is very important to keep the pH of the pool in the range 7.2 to 7.8 – according to the Langelier Saturation Index, or 7.8 to 8.2 – according to the Hamilton Index; higher pH drastically reduces the sanitizing power of the chlorine due to reduced oxidation-reduction potential (ORP), while lower ...

  3. 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 ...

  4. Swimming pool bacteria - Wikipedia

    en.wikipedia.org/wiki/Swimming_Pool_Bacteria

    S. aureus has a strong resistance to chlorine, which is one of the methods by which pools are often cleaned. [4] Other bacteria often found in recreational waters are Enterococci, [5] which is a genus of bacteria found in feces. Fecal contamination is one of the primary public health concerns in swimming pools. [4]

  5. Here's How Often You Should Clean These 19 Common ... - AOL

    www.aol.com/heres-often-clean-19-common...

    8. Toilet Brush. Six Months. Every time you clean the toilet, make sure the toilet brush is getting cleaned, too. Hang the toilet brush over the toilet (put it in between the toilet rim and seat ...

  6. Backwashing (water treatment) - Wikipedia

    en.wikipedia.org/wiki/Backwashing_(water_treatment)

    Spent backwash water is either discharged without treatment to a sanitary sewer system or is treated and recycled within the plant. [4]: 22.37–22.40 Historically, backwash water was discharged directly to surface water supplies; however, direct discharge is now highly regulated through NPDES discharge permits and is often discouraged.

  7. Water chlorination - Wikipedia

    en.wikipedia.org/wiki/Water_chlorination

    As a halogen, chlorine is a highly efficient disinfectant, and is added to public water supplies to kill disease-causing pathogens, such as bacteria, viruses, and protozoans, that commonly grow in water supply reservoirs, on the walls of water mains and in storage tanks. [16]

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