Bible Verses About Water: Turned into blood

Thus says the LORD, “In this you shall know that I am the LORD. Behold, I will strike with the rod that is in my hand on the waters which are in the river, and they shall be turned to blood.

Moses and Aaron did so, as the LORD commanded; and he lifted up the rod, and struck the waters that were in the river, in the sight of Pharaoh, and in the sight of his servants; and all the waters that were in the river were turned to blood.