Is salty, foul-smelling, or bitter water — unfit for dog-drinking — valid for hand-washing or for mikveh immersion?
Synopsis
Salty, putrid, or bitter water that a dog cannot drink is invalid for hand-washing but valid for mikveh. Muddy water follows the dog-drinkability test for both hand-washing and mikveh.
More in Who Must Wash Hands for Bread
Does water that changed appearance on its own (not due to an external substance) disqualify it for hand-washing?
4 opinions
Does using water for labor (melacha) — such as soaking bread, cooling wine, or washing dirty vessels — disqualify it for hand-washing?
3 opinions
Is water in front of a blacksmith or barber disqualified for hand-washing?
1 opinions
Is water from which animals or birds drank disqualified for hand-washing?
3 opinions
Does melacha (labor) disqualify mikveh water or spring water that is still connected?
3 opinions
May one use fire-heated water (chamei ha-ur) for hand-washing, even when it is scalding hot (yad soledet)?
3 opinions
May one immerse hands in the hot springs of Tiberias (chamei Teveriah), and what are the conditions?
3 opinions across 3 eras
What is the reason geothermal spring water (like Tiberias) is invalid for vessel-based hand-washing, and does the dog-drinkability test apply to other bitter/hot springs?
3 opinions
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Who is valid to pour water for another person's netilat yadayim?
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Is immersion of hands in forty se'ah of flowing rainwater valid?
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How far up the hand must water reach for valid netilat yadayim — up to the wrist/forearm joint or only up to where the fingers join the palm?
Water Quantity for Washing
If one washed only part of the hand and added more water to cover the rest, is the washing valid?
Washing Vessels and Water Sources
Discussion
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