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.
Ver. 20. Were turned into blood.] To show them, as in a mirror, their blood guiltiness. These bloody and deceitful men had "blood to drink, for they were worthy." Rev 16:6 See Trapp on " Rev 16:6 "