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How does one do Hagalah above 12,000 feet, where water's boiling point falls below 190°F? Under normal circumstances, the water will not be Rochsim, and therefore unsuitable for Hagalah.

Using a pressure cooker would be impractical, as it cannot be opened to put an item in. (Besides, the water would not reach an actual boil – safely. Furthermore, at higher altitudes, even a standard pressure cooker cannot keep water's boiling point above 190°F.) Leaving the item on a platform while the water heats, later to be shaken down, would present a problem of steam in an enclosed space.

Would one have to forgo Hagalah altogether, and default to Libun Kal?

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@GershonGold That is linked to already in the question –  Double AA Feb 6 at 18:24
    
How is this not just a duplicate of that linked question?? –  Double AA Feb 6 at 18:24
    
@DoubleAA Because a valid answer there applies only to locations below 12,000'. I am asking about above that. –  NBZ Feb 7 at 15:12
    
@NBZ That's just not true. The question makes no such requirement. –  Double AA Feb 7 at 15:29

1 Answer 1

up vote 4 down vote accepted

Mishna Berura Orach Chaim 452:8 would allow B'Dieved if it is not used as a Kli Rishon to do Hagala without Rochsin. However with a Kli Rishon there seems to be no option if it is not Rochsin.

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No option (for hagalah), i.e. libun kal necessary. Maybe you should put that into your answer? –  NBZ Feb 7 at 15:13

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