It is far higher than 2%. It is more like 65%. Besides, how many of you have really thought about what is floating in those pools. How many of you stop complete strangers and ask them to come into your house and get in your bathtub with you? Not to gross you folks out, but pee, feces, drainage from open wounds that are in areas you can't see just to name a few things floating in the water you are walking in. Chloride doesn't kill everything.
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