Moses and Aaron did so, just as the Lord had commanded. Moses raised the staff and struck the water that was in the Nile right before the eyes of Pharaoh and his servants, and all the water that was in the Nile was turned to blood.

Moses said, “I am going to go out from you and pray to the Lord, and the swarms of flies will go away from Pharaoh, from his servants, and from his people tomorrow. Only do not let Pharaoh deal falsely again by not releasing the people to sacrifice to the Lord.”

They will fill your houses, the houses of your servants, and all the houses of Egypt, such as neither your fathers nor your grandfathers have seen since they have been in the land until this day!’” Then Moses turned and went out from Pharaoh.