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Have you ever worried about the secret tracer chemical in
swimming pools, the one that turns bright red when you pee in
the pool?  Have you ever worried about the Secret Tracer
Chemical in swimming pools - the one that turns bright red when
you pee in the pool? Orson Welles (the original voice of the
“War of the Worlds” radio broadcast and the face of the “Citizen
Kane” guy) reckoned that he had some of this chemical in his
pool. According to him, only “the nicest, cleanest, most
respectable people” would wee in the water. But there's no such
chemical.  In nature, clean water pools seem to exist without
any effort at all. But it takes a lot of science to replicate
this, and have a swimming pool with water that is pleasant and
free of germs. Professor Ben Selinger devotes a whole chapter to
this in his book, Chemistry in the Marketplace . Chlorine is a
cheap and very effective chemical to kill various nasties in
your swimming pool. Once in the water