Exodus 7:20
And Moses and Aaron did so, as the Lord commanded; and he lifted up the rod, and smote 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.
Cross-reference
Exodus 7:17 contains the command for this action—Moses strikes the Nile as instructed.
Exodus 7:18 describes the resulting dead fish and foul water—direct consequence of this plague.
Exodus 17:6 also involves striking a water source with the rod, bringing life-giving water instead of deadly blood.
Exodus 17:5 also has Moses striking with his rod, but there it produces water for Israel instead of blood.
Numbers 20:8-12 recounts Moses striking a rock for water—similar action but here leads to his discipline, contrasting with the plague.
Psalm 78:44 directly recalls this plague, summarizing the turning of rivers to blood.
Psalm 105:29 summarizes this plague — turning waters to blood and killing fish, directly referencing the same event.
Revelation 8:8 echoes this plague as a judgment — a mountain thrown into the sea turning it to blood, amplifying the imagery.
Revelation 16:4 directly parallels this plague — rivers and springs become blood, a clear judgment echo.
In John 2:9-11, Jesus transforms water into wine — a similar water transformation but from judgment to blessing, contrasting this plague.