Bible Verses About Water: Turned into blood

`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,

And Moses and Aaron do so, as Jehovah hath commanded, and he lifteth up his hand with the rod, and smiteth 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,