Leviticus 14:49-53

49“The priest must take two birds, cedar wood, red yarn, and a hyssop sprig and use them to make the house clean.

50He must kill the one bird over a clay bowl containing fresh water.

51He must take the cedar wood, the hyssop sprig, the red yarn, and the living bird and dip them in the fresh water containing the blood of the bird that was killed. He must sprinkle the house seven times.

52So he must use the bird’s blood, the fresh water, the living bird, the cedar wood, the hyssop, and the red yarn to make the house clean.

53Then he will let the living bird fly from the city into the open country. He will make peace with the Lord for the house, and it will be clean.