Exodus 7:18-20

New Revised Standard Version, Anglicised

¹⁸ The fish in the river shall die, the river itself shall stink, and the Egyptians shall be unable to drink water from the Nile.”’ ¹⁹ The Lord said to Moses, ‘Say to Aaron, “Take your staff and stretch out your hand over the waters of Egypt—over its rivers, its canals, and its ponds, and all its pools of water—so that they may become blood; and there shall be blood throughout the whole land of Egypt, even in vessels of wood and in vessels of stone.”’

²⁰ Moses and Aaron did just as the Lord commanded. In the sight of Pharaoh and of his officials he lifted up the staff and struck the water in the river, and all the water in the river was turned into blood,