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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. 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". A lesser ratio is termed superchlorinating.[1] Water that is being shock chlorinated should not be swum in or drunk until the sodium hypochlorite count in the water goes down to three ppm or less which is generally more than 6 hours.[2] Commercial sodium hypochlorite should not be mixed with commercial calcium hypochlorite, as there is a risk of explosion.[citation needed] Although a verb for superchlorination,[3] "shock" is often misunderstood (through marketing and sales language) to be a unique type of product.
^Cox, Rob (January 14, 2011). "Shocking or Super-Chlorinating your swimming pool". Pool Care & Repair Blog. Poolcenter.com. Retrieved September 3, 2017.
^Ivaan, S (August 23, 2023). "How Long I Have to Wait For Swimming After Shocking The Pool". Pool&TubCare Blog. Poolandtubcare.com. Retrieved February 15, 2024.
^Cite error: The named reference Superchlorinating Best Way? was invoked but never defined (see the help page).
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Shockchlorination is a process used in many swimming pools, water wells, springs, and other water sources to reduce the bacterial and algal residue in...
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This step in the process is initiated as a precaution to avoid thermal shock to the cleaning chamber. Liquid carbon dioxide is then pumped into the cleaning...
polymer-analogous reactions are in case of polyethylene crosslinking, chlorination and sulfochlorination. In the low pressure process α-olefins (e.g. 1-butene...
is used for bleaching of wood pulp and for the disinfection (called chlorination) of municipal drinking water,: 4–1 treatment of water in oil and gas...
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static electricity, concentrated sulfuric acid, strong UV radiation or shock. Until about 2015, explosives detectors were not set to detect non-nitrogenous...
acetic, nitric or phosphoric acid. They also occur as a result of the chlorination of table water. Other exposure risks occur during industrial or transportation...
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keyboard keycaps. Other uses include golf club heads (because of its good shock absorbance), automotive trim components, automotive bumper bars, binoculars...
are filtering with sand which only removes undissolved material, while chlorination and boiling kill harmful microbes. Distillation does all three functions...
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