Exodus 7:17-19

Christian Standard Bible

¹⁷ This is what the Lord says: Here is how you will know that I am the Lord. Watch. I am about to strike the water in the Nile with the staff in my hand, and it will turn to blood. ¹⁸ The fish in the Nile will die, the river will stink, and the Egyptians will be unable to drink water from it.”

¹⁹ So the Lord said to Moses, “Tell Aaron: Take your staff and stretch out your hand^(A) over the waters of Egypt—over their rivers, canals, ponds, and all their water reservoirs—and they will become blood. There will be blood throughout the land of Egypt, even in wooden and stone containers.”