50. He will kill one of the birds over a clay pot of spring water
51-52. and let its blood drain into the pot. Then he will dip the cedar, the hyssop, the yarn, and the other bird into the mixture of blood and water. Next, he will sprinkle the house seven times with the mixture, then the house will be completely clean.
53. Finally, he will release the bird and let it fly away, ending the ceremony for purifying the house.
54-57. These are the things you must do if you discover that you are unclean because of an itch or a sore, or that your clothing or house is unclean because of mildew.