Talk:Shock chlorination
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Citation for safe level?
[edit]"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." is plainly absurd. The safe level for swimming and drinking is quite unlikely to be the same :) — Preceding unsigned comment added by Rob* (talk • contribs) 02:24, 25 June 2017 (UTC)
- Not so absurd. Surprisingly, as no one would expect to drink pool water, recommended concentration is minimum 1-3 ppm in pools and tubs, and up to 4 ppm chlorine concentration is also safe to drink, according to CDC and US national requirements.
- "CDC recommends ... a chlorine concentration of at least 1 ppm in pools and at least 3 ppm in hot tubs."
- "Chlorine or chloramine levels up to 4 milligrams per liter (mg/L), or 4 parts per million (ppm), are considered safe in drinking water."
- https://www.cdc.gov/healthy-swimming/about/home-pool-and-hot-tub-water-treatment-and-testing.html
- https://www.cdc.gov/drinking-water/about/about-water-disinfection-with-chlorine-and-chloramine.html
- https://www.epa.gov/ground-water-and-drinking-water/national-primary-drinking-water-regulations#Disinfectants Blackboard123 (talk) 09:13, 11 November 2024 (UTC)