Well, the avg for cold tap water is about 49 degrees Fahrenheit. I try to keep them to about 5 mins. I know some people that go longer than that. You can check out Wim Hof who is nicknamed the Ice man.
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Well, the avg for cold tap water is about 49 degrees Fahrenheit. I try to keep them to about 5 mins. I know some people that go longer than that. You can check out Wim Hof who is nicknamed the Ice man.