Exodus 7:19

And LORD said to Moses, Say to Aaron, Take thy rod, and stretch out thy hand over the waters of Egypt, over their rivers, over their streams, and over their pools, and over all their ponds of water, that they may become blood, and

Exodus 8:5-6

And LORD said to Moses, Say to Aaron, Stretch forth thy hand with thy rod over the rivers, over the streams, and over the pools, and cause frogs to come up upon the land of Egypt.

Exodus 8:16

And LORD said to Moses, Say to Aaron, Stretch out thy rod, and smite the dust of the earth, that it may become lice throughout all the land of Egypt.

Exodus 10:12

And LORD said to Moses, Stretch out thy hand over the land of Egypt for the locusts, that they may come up upon the land of Egypt, and eat every herb of the land, even all that the hail has left.

Exodus 10:21

And LORD said to Moses, Stretch out thy hand toward heaven, that there may be darkness over the land of Egypt, even darkness which may be felt.

Exodus 14:21

And Moses stretched out his hand over the sea, and LORD caused the sea to go [back] by a strong east wind all the night, and made the sea dry land, and the waters were divided.

Exodus 14:26

And LORD said to Moses, Stretch out thy hand over the sea, that the waters may come again upon the Egyptians, upon their chariots, and upon their horsemen.

Genesis 1:10

And God called the dry land Earth, and he called the gathering together of the waters Seas. And God saw that it was good.

Exodus 9:22-23

And LORD said to Moses, Stretch forth thy hand toward heaven, that there may be hail in all the land of Egypt, upon man, and upon beast, and upon every herb of the field, throughout the land of Egypt.

Exodus 9:33

And Moses went out of the city from Pharaoh, and spread abroad his hands to LORD, and the thunders and hail ceased, and the rain was not poured upon the earth.

Treasury of Scripture Knowledge

Summary

And the LORD spake unto Moses, Say unto Aaron, Take thy rod, and stretch out thine hand upon the waters of Egypt, upon their streams, upon their rivers, and upon their ponds, and upon all their pools of water, that they may become blood; and that there may be blood throughout all the land of Egypt, both in vessels of wood, and in vessels of stone.

Their pools

Bible References

Stretch

Exodus 8:5
And LORD said to Moses, Say to Aaron, Stretch forth thy hand with thy rod over the rivers, over the streams, and over the pools, and cause frogs to come up upon the land of Egypt.
Exodus 9:22
And LORD said to Moses, Stretch forth thy hand toward heaven, that there may be hail in all the land of Egypt, upon man, and upon beast, and upon every herb of the field, throughout the land of Egypt.
Exodus 10:12
And LORD said to Moses, Stretch out thy hand over the land of Egypt for the locusts, that they may come up upon the land of Egypt, and eat every herb of the land, even all that the hail has left.
Exodus 14:21
And Moses stretched out his hand over the sea, and LORD caused the sea to go [back] by a strong east wind all the night, and made the sea dry land, and the waters were divided.

Their pools

Genesis 1:10
And God called the dry land Earth, and he called the gathering together of the waters Seas. And God saw that it was good.

General references

Exodus 4:17
And thou shall take this rod in thy hand, with which thou shall do the signs.
Exodus 8:5
And LORD said to Moses, Say to Aaron, Stretch forth thy hand with thy rod over the rivers, over the streams, and over the pools, and cause frogs to come up upon the land of Egypt.
Exodus 9:22
And LORD said to Moses, Stretch forth thy hand toward heaven, that there may be hail in all the land of Egypt, upon man, and upon beast, and upon every herb of the field, throughout the land of Egypt.
Psalm 78:44
and turned their rivers into blood, and their streams, so that they could not drink.