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  2. Sodium bisulfite - Wikipedia

    en.wikipedia.org/wiki/Sodium_bisulfite

    Sodium bisulfite (or sodium bisulphite, sodium hydrogen sulfite) is a chemical mixture with the approximate chemical formula NaHSO 3. Sodium bisulfite is not a real compound, [ 2 ] but a mixture of salts that dissolve in water to give solutions composed of sodium and bisulfite ions.

  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. Sodium bisulfate - Wikipedia

    en.wikipedia.org/wiki/Sodium_bisulfate

    Sodium bisulfate, also known as sodium hydrogen sulfate, [a] is the sodium salt of the bisulfate anion, with the molecular formula NaHSO 4. Sodium bisulfate is an acid salt formed by partial neutralization of sulfuric acid by an equivalent of sodium base, typically in the form of either sodium hydroxide (lye) or sodium chloride (table salt).

  5. Percent active chlorine - Wikipedia

    en.wikipedia.org/wiki/Percent_active_chlorine

    Liquid bleaches for domestic use fall in 3 categories: for pool-treatment (10% hypochlorite solutions, without surfactants and detergents), for laundry and general purpose cleaning, at 3–5% active chlorine (which are usually recommended to be diluted substantially before use), and in pre-mixed specialty formulations targeted at particular ...

  6. 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 ...

  7. Olympic-size swimming pool - Wikipedia

    en.wikipedia.org/wiki/Olympic-size_swimming_pool

    The new Olympic-sized swimming pool was designed to provide advantages to competitors. Increasing the lane count from eight to ten introduces a "buffer lane", helping to absorb waves generated by movements of the swimmers. [5] The increased depth of the pool assists the lane lines in dissipating water churn, thereby creating less hydrodynamic ...