Leviticus 14:37-39

The Voice

³⁷ If he sees that the spot has greenish or reddish depressions and appears to go deep beneath the surface of the wall, ³⁸ then the priest will exit the house through the door and quarantine the house for seven days. ³⁹ When the seventh day arrives, the priest will go back into the house and inspect it again. If the discolored spot has shown up on other places on the walls,