Exodus 7:19-20 ▼

19 And YHWH says to Moses, “Say to Aaron, Take your rod, and stretch out your hand against the waters of Egypt, against their streams, against their rivers, and against their ponds, and against all their collections of waters; and they are blood—and there has been blood in all the land of Egypt, both in [vessels of] wood, and in [those of] stone.”

20 And Moses and Aaron do so, as YHWH has commanded, and he lifts up [his hand] with the rod, and strikes the waters which [are] in the River, before the eyes of Pharaoh and before the eyes of his servants, and all the waters which [are] in the River are turned to blood,