Leviticus 14:49-51

Revised Standard Version

⁴⁹ And for the cleansing of the house he shall take two small birds, with cedarwood and scarlet stuff and hyssop, ⁵⁰ and shall kill one of the birds in an earthen vessel over running water, ⁵¹ and shall take the cedarwood and the hyssop and the scarlet stuff, along with the living bird, and dip them in the blood of the bird that was killed and in the running water, and sprinkle the house seven times.