In Context

14 And Jehovah saith unto Moses, 'The heart of Pharaoh hath been hard, he hath refused to send the people away;

15 go unto Pharaoh in the morning, lo, he is going out to the water, and thou hast stood to meet him by the edge of the River, and the rod which was turned to a serpent thou dost take in thy hand,

16 and thou hast said unto him: Jehovah, God of the Hebrews, hath sent me unto thee, saying, Send My people away, and they serve Me in the wilderness; and lo, thou hast not hearkened hitherto.

17 Thus said Jehovah: By this thou knowest that I am Jehovah; lo, I am smiting with the rod which is in my hand, on the waters which are in the River, and they have been turned to blood,

18 and the fish that are in the River die, and the River hath stank, and the Egyptians have been wearied of drinking waters from the River.'

19 And Jehovah saith unto Moses, 'Say unto Aaron, Take thy rod, and stretch out thy 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 hath been blood in all the land of Egypt, both in vessels of wood, and in those of stone.'

Exodus 7:17 in Other Translations