Thematic Bible: Uncleanness contracted from, removed by the water separation
Thematic Bible
The Dead » Uncleanness contracted from, removed by the water separation
A clean person is to take some hyssop, dip it in water, and then sprinkle it on the tent, on every vessel, and on whoever was there (that is, on whoever touched the bones, the killed person, or the dead body, including whoever dug the grave).
He is to purify himself on the third day and he will be clean on the seventh day. But if he can't purify himself on the third day then he can't be clean on the seventh day.