Seven days — This marks the duration of the plague. The natural discoloration of the Nile water lasts generally much longer, about 20 days.<…

And seven days were fulfilled. —These words seem to mark the duration of the first plague, which was longer because Pharaoh made no submis…

And seven days were fulfilled
Or there were full seven days, a whole week:

after that the Lord ha…

Here is the first of the ten plagues: the turning of the water into blood. It was a dreadful plague. The sight of such vast, rolling streams of blo…