John Gills Exposition of the Bible Commentary - Exodus 7:19
And the Lord spake unto Moses ,.... Pharaoh still being obstinate, and refusing to let the people go: say unto Aaron, take thy rod, and stretch out thine hand upon the waters of Egypt ; upon all of them in general, what were in the river Nile, or derived from it, as follows: upon their streams ; the seven streams of the river Nile; see Gill on Isaiah 11:15 . upon their rivers ; the canals that were cut out of the river Nile, for the watering of their fields and gardens, for... read more
Matthew Henry's Complete Commentary - Exodus 7:14-25
Here is the first of the ten plagues, the turning of the water into blood, which was, 1. A dreadful plague, and very grievous. The very sight of such vast rolling streams of blood, pure blood no doubt, florid and high-colored, could not but strike a horror upon people: much more afflictive were the consequences of it. Nothing more common than water: so wisely has Providence ordered it, and so kindly, that that which is so needful and serviceable to the comfort of human life should be cheap,... read more