Exodus 4:9

{And} if they also do not believe the second of these signs and they will not listen to your voice, [then] you must take water from the Nile and pour [it] onto the dry ground, and the water that you take from the Nile will become blood on the dry ground."

Exodus 1:22

And Pharaoh commanded all his people, saying, "Every son who is born you will throw into the Nile, and every daughter you will let live."

Exodus 7:19-25

And Yahweh said to Moses, "Say to Aaron, 'Take your staff and stretch your hand out over the waters of Egypt and over their rivers, over their canals, and over their pools and over all of their reservoirs of water, so that they become blood,' and blood will be in all the land of Egypt and in [vessels of] wood and of stone."

Matthew 7:2

For by what judgment you judge, you will be judged, and by what measure you measure out, it will be measured out to you.

Treasury of Scripture Knowledge

Summary

And it shall come to pass, if they will not believe also these two signs, neither hearken unto thy voice, that thou shalt take of the water of the river, and pour it upon the dry land: and the water which thou takest out of the river shall become blood upon the dry land.

The water

General references

Bible References

The water

Exodus 7:19
And Yahweh said to Moses, "Say to Aaron, 'Take your staff and stretch your hand out over the waters of Egypt and over their rivers, over their canals, and over their pools and over all of their reservoirs of water, so that they become blood,' and blood will be in all the land of Egypt and in [vessels of] wood and of stone."

Blood

Exodus 1:22
And Pharaoh commanded all his people, saying, "Every son who is born you will throw into the Nile, and every daughter you will let live."
Exodus 7:19
And Yahweh said to Moses, "Say to Aaron, 'Take your staff and stretch your hand out over the waters of Egypt and over their rivers, over their canals, and over their pools and over all of their reservoirs of water, so that they become blood,' and blood will be in all the land of Egypt and in [vessels of] wood and of stone."
Matthew 7:2
For by what judgment you judge, you will be judged, and by what measure you measure out, it will be measured out to you.

General references

1 Kings 13:3
He gave a sign on that day, saying, "This [is] the sign that Yahweh has predetermined: Look, [this] altar will be torn [apart], and the ashes that [are] on it will be poured out."