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Re:Hacker increased chemical level at Oldsmar's city water s... by ClumsyPilot on Monday February 08, 2021 @11:59PM (#26074064)
Stainless steel would be better, excluding exotic materials. You cant really get iron poisoning.
Re:Hacker increased chemical level at Oldsmar's city water s... by TeMPOraL on Tuesday February 09, 2021 @03:30AM (#26075138)
Turns out you can, though probably not from water pipes (if I skim the article correctly, it'll need to be ferrous iron).

https://en.wikipedia.org/wiki/Iron_poisoning