Water of lustration

Part of Judaic series of articles on
Ritual purity in Judaism
Tumah and taharah Mikveh
Purification methods Netilat yadayim Mikveh Red heifer Hefsek taharah Hagalah Tevilat Kelim
Hierarchy Av HaTumah Midras
Sources of Impurity Keri Niddah Tzaraath Zav Zavah Corpse uncleanness Tumath eretz Ha'Amim Prohibition of Kohen defilement by the dead
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The water of lustration or water of purification (Hebrew: מי נדה, romanized: mê niddāh) was the water created with the ashes of the red heifer, according to the instructions given by God to Moses and Aaron in the Book of Numbers.^[1]