""Shock" is a verb, not a noun. You don't buy "Shock". You "Shock" your pool by raising the chlorine level high enough to kill everything growing in it."
I'd seen it, I was just thinking it might be good to give it a little more visibility and a little more thorough explanation (maybe not). It always amazes me when I talk to people who use bleach to sanitize also go buy shock products at the store.
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