Psalms 78:44

And had turned their rivers into blood ,.... The river Nile and its seven streams; this was the first of the plagues of Egypt, Exodus 7:20 , and was a just retaliation for drowning the infants of the Israelites in their river, Exodus 1:22 , a like plague will be inflicted on spiritual Egypt, and with equal justice; see Revelation 11:8 ,

and their floods, that they could not drink ; the rivulets that flowed from the Nile, and every spring or confluence of water; or rather by these rivers and floods are meant the canals and ditches, which, as Jarchi F5 Comment. on Exod. vii. 19. so Kimchi in Sepher Shorash. rad. אר . observes, were made by the hands of men, from the banks of the river Nile, to water their fields with.