<https://www.troublefreepool.com/threads/chlorine-went-from-2-5-to-22-5-after-adding-28-oz-of-bleach-why.239165/>
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"Chlorine went from 2.5 to 22.5 after adding 28 oz. of bleach....Why?"
<https://www.troublefreepool.com/threads/chlorine-went-from-2-5-to-22-5-after-adding-28-oz-of-bleach-why.239165/>