Exodus 7:19-24View Full Chapter
19The LORD said to Moses, “Tell Aaron, ‘Take your staff and stretch out your hand over the waters of Egypt—over the streams and canals, over the ponds and all the reservoirs—and they will turn to blood.’ Blood will be everywhere in Egypt, even in vessels
21The fish in the Nile died, and the river smelled so bad that the Egyptians could not drink its water. Blood was everywhere in Egypt. 22But the Egyptian magicians did the same things by their secret arts, and Pharaoh’s heart became hard; he would not listen to Moses and Aaron, just as the LORD had said. 23Instead, he turned and went into his palace, and did not take even this to heart.
24And all the Egyptians dug along the Nile to get drinking water, because they could not drink the water of the river.