Leviticus 14:4-6

The Voice

⁴ then he will prescribe that two healthy birds—both ritually pure—some cedar wood, scarlet string, and hyssop be brought for the cleansing ritual. ⁵ The priest will direct that one of the birds be killed in a clay jar over running water. ⁶ He will then take the living bird along with the cedar, the scarlet string, and the hyssop and dip them in the blood of the first bird killed over running water.