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  2. Uniform Swimming Pool, Spa and Hot Tub Code - Wikipedia

    en.wikipedia.org/wiki/Uniform_Swimming_Pool,_Spa...

    Designated as an American National Standard, the Uniform Swimming Pool, Spa and Hot Tub Code (USPSHTC) is a model code developed by the International Association of Plumbing and Mechanical Officials to govern the installation and inspection of plumbing systems associated with swimming pools, spas and hot tubs as a means of promoting the public's health, safety and welfare.

  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. Hot tub filter - Wikipedia

    en.wikipedia.org/wiki/Hot_tub_filter

    [citation needed] Though are being marketed for centralized water treatment systems, most ceramic filters are now being manufactured for point-of-use applications. [ citation needed ] Cleaning and maintenance of the filter is critical; so like other low-cost point of use systems, it is best combined with an educational program about safe ...

  5. Hot tub or cold plunge? Experts say there are benefits — and ...

    www.aol.com/lifestyle/hot-tub-cold-plunge...

    How a hot tub stacks up against taking a cold plunge — and what a new study says about the benefits of doing water therapy after a workout. ... for that other form of water therapy: the hot tub ...

  6. Hot tub - Wikipedia

    en.wikipedia.org/wiki/Hot_tub

    The earliest hot tubs were calderas in which hot stones were placed to heat the water. [citation needed] Therma in Ikaria has been a very popular place particularly for hydrotherapy ever since the 4th century B.C. [2] The remains of wrecked marble bathtubs along with a prehistoric aqueduct that have been unearthed from this area bear ample testimony of the place's popularity in the ancient times.

  7. Swimming pool sanitation - Wikipedia

    en.wikipedia.org/wiki/Swimming_pool_sanitation

    An electrically operated water pump is the prime motivator in recirculating the water from the pool. Water is forced through a filter and then returned to the pool. Using a water pump by itself is often not sufficient to completely sanitize a pool. Commercial and public pool pumps usually run 24 hours a day for the entire operating season of ...