Thematic Bible: Water of

everything that can stand fire, you shall pass through fire, and it shall be clean. Nevertheless, it shall also be purified with the water of purification [to remove its impurity]; and all that cannot stand fire [such as fabrics] you shall pass through water.

And for the unclean, they shall take of the ashes of the burning of the sin offering, and the running water shall be put with it in a vessel. And a clean person shall take hyssop and dip it in the water and sprinkle it upon the tent, and upon all the vessels, and upon the persons who were there, and upon him who touched the bone, or the slain, or the naturally dead, or the grave. And the clean person shall sprinkle [the water for purification] upon the unclean person on the third day and on the seventh day, and on the seventh day the unclean man shall purify himself, and wash his clothes and bathe himself in water, and shall be clean at evening. read more.
But the man who is unclean and does not purify himself, that person shall be cut off from among the congregation, because he has defiled the sanctuary of the Lord. The water for purification has not been sprinkled upon him; he is unclean. And it shall be a perpetual statute to them. He who sprinkles the water for impurity [upon another] shall wash his clothes, and he who touches the water for impurity shall be unclean until evening.