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2. Shock chlorination - Wikipedia

   en.wikipedia.org/wiki/Shock_chlorination

   Shock chlorination is a process used in many swimming pools, water wells, springs, and other water sources to reduce the bacterial and algal residue in the water. 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.

3. Swimming pool sanitation - Wikipedia

   en.wikipedia.org/wiki/Swimming_pool_sanitation

   Other filter media that have been introduced to the residential swimming pool market since 1970 include sand particles and paper type cartridge filters of 50 to 150 square feet (4.6 to 13.9 m 2) filter area arranged in a tightly packed 12" diameter x 24" long (300 mm x 600 mm) accordion-like circular cartridge. These units can be 'daisy-chained ...

4. 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 ...

5. BCDMH - Wikipedia

   en.wikipedia.org/wiki/BCDMH

   1-Bromo-3-chloro-5,5-dimethylhydantoin (BCDMH or bromochlorodimethylhydantoin) is a chemical structurally related to hydantoin.It is a white crystalline compound with a slight bromine and acetone odor and is insoluble in water, but soluble in acetone.

6. Chlorine - Wikipedia

   en.wikipedia.org/wiki/Chlorine

   Chlorine is widely used for purifying water, especially potable water supplies and water used in swimming pools. Several catastrophic collapses of swimming pool ceilings have occurred from chlorine-induced stress corrosion cracking of stainless steel suspension rods. [135] Some polymers are also sensitive to attack, including acetal resin and ...

7. Sodium bromide - Wikipedia

   en.wikipedia.org/wiki/Sodium_bromide

   2.2 Preparation of other bromine compounds. 2.3 ... Sodium bromide is used in conjunction with chlorine as a disinfectant for hot tubs and swimming pools. ...