How to Make an Indoor Grow Box

Written by annat
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How to Make an Indoor Grow Box
Grow boxes are used for indoor gardening (The process of gattering potatoes image by Mykola Velychko from

Indoor grow boxes allow plants and vegetables to be grown indoors when they wouldn't survive outside. Indoor grow boxes are easy to make and can be made in many ways. People who wish to supply their own organic produce often use indoor grow boxes to supply varieties of vegetables that cannot be grown in the outdoor climate. Another major group of indoor grow box users are plant enthusiasts who grow plants as a hobby.

Skill level:

Things you need

  • Cardboard box (or any other container)
  • LEDs
  • Breadboards
  • AC to DC Power Transformer
  • Topsoil

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  1. 1

    The first step to building an indoor grow box is picking the position where you will place it. Placing the grow box near a large window that will allow sunlight to reach the grow box during the day is the best option. If you have no space for the grow box near windows, then place it near a wall socket. You can then install your own lighting system that can receive constant power from the socket.

  2. 2

    Create an LED light grid. You can do this by inserting LEDs into electronics bread boards. Red LEDs are the most commonly used for indoor growing. Try to evenly space out the LEDs and make sure that their leads go across two rows of the breadboard. Use as many LEDs and breadboards as you need and hot glue them to create a grid that will cover the top of your grow box. Connect the two terminals of the power transformer to each end of the breadboard, and whenever it is plugged in, the LEDs will supply constant light.

  3. 3

    Make the container of your grow box. This can be anything from a cardboard box to a large plastic container. Another easy material to work with is Plexiglas. Form a box shape in the size that you want and use hot glue to hold it together. Also use the hot glue to seal all edges of your container so there won't be any leaks.

  4. 4

    Remove the top of your box. Leave it as is if you are planning to leave your grow box open to sunlight. If not, then replace it with the LED grid that you made. Do not seal the LED grid to the top of the box. You will need to be able to remove it to access your plants.

  5. 5

    Fill the box approximately halfway with top soil. This can be bought at gardening or home maintenance stores. Your grow box is now ready to use, and you can grow plants in it as if it were an outside garden.

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