Leviticus 14:48-53

48“But if the kohen comes in, inspects it, and behold, the plague has not spread within the house after it was re-plastered, then he shall pronounce the house clean, because the contamination is healed.

49In order to cleanse the house he is to take two birds, cedar wood, scarlet and hyssop.

50He is to kill one of the birds in a clay pot over living water.

51Then he is to take the cedar wood, the hyssop, the scarlet and the living bird, and dip them into the blood of the slain bird as well as the living water, and sprinkle the house seven times.

52He shall cleanse the house with the blood of the bird, with the living water, with the living bird, the cedar wood, the hyssop and the scarlet.

53But he is to let the living bird go out of the city into the open field. So he is to make atonement for the house, and it will be clean.”