I was in the fish shop the other day and the guy in front of me had a fish under his arm and asked the guy behind the counter, "have you any fishcakes?" The guy said that he didn't have any, so the guy, pointing to the fish under his arm, said, "oh, that's a shame, it's his birthday today." ****IN' YAAAAAAAAAAASSSSSSSSSS
Chlorine will speed up oxidation, but it'd still rust in dechlorinated water. Oh, and unless you're using some other agent like bromine or ozone, you wouldn't want to swim in a dechlorinated pool.