Exodus 4:9

But if they will not believe these two signs or pay attention to what you say, you are to take some water from the Nile and pour it on the dry ground; and the water which you take out of the river will turn into blood on the dry ground.”

Exodus 1:22

Then Pharaoh commanded all his people, saying, “Every son who is born [to the Hebrews] must be thrown into the Nile, but every daughter you shall keep alive.”

Exodus 7:19-25

Then the Lord said to Moses, “Say to Aaron, ‘Take your staff and stretch out your hand over the waters of Egypt, over their rivers, over their streams, over their pools, and over all their reservoirs of water, so that they may become blood; and there shall be blood throughout all the land of Egypt, in containers both of wood and of stone.’”

Matthew 7:2

For just as you [hypocritically] judge others [when you are sinful and unrepentant], so will you be judged; and in accordance with your standard of measure [used to pass out judgment], judgment will be measured 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
Then the Lord said to Moses, “Say to Aaron, ‘Take your staff and stretch out your hand over the waters of Egypt, over their rivers, over their streams, over their pools, and over all their reservoirs of water, so that they may become blood; and there shall be blood throughout all the land of Egypt, in containers both of wood and of stone.’”

Blood

Exodus 1:22
Then Pharaoh commanded all his people, saying, “Every son who is born [to the Hebrews] must be thrown into the Nile, but every daughter you shall keep alive.”
Exodus 7:19
Then the Lord said to Moses, “Say to Aaron, ‘Take your staff and stretch out your hand over the waters of Egypt, over their rivers, over their streams, over their pools, and over all their reservoirs of water, so that they may become blood; and there shall be blood throughout all the land of Egypt, in containers both of wood and of stone.’”
Matthew 7:2
For just as you [hypocritically] judge others [when you are sinful and unrepentant], so will you be judged; and in accordance with your standard of measure [used to pass out judgment], judgment will be measured to you.

General references

1 Kings 13:3
And he gave a sign the same day, saying, “This is the sign which the Lord has spoken: ‘Behold, the altar shall be split apart and the ashes that are on it shall be poured out.’”