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how to make a marijuana grow box

How to make a marijuana grow box

The grow room needs to be 100% light-proof, this is to avoid the waste of precious light and avoids your plants from stressing out.


Enzo Schillaci

1. Main requirements

As you may know, an indoor weed grow room allows us to control and adjust the temperature, humidity, and intensity of the airflow, because of this, your grow room must be air-tight.

Once you’ve built your grow box, it’s time to put some plants in it! Besides the light and fresh air being provided by the cabinet, you’ll also have to give your plants the water and nutrients they need to flourish and flower. This can be accomplished through appropriate hand watering of conventional or organic fertilizers, or an automated hydroponic system that can be set up at the bottom of the grow box if desired.

Once you’ve decided on an area or item to convert into a grow box, you’ll have to make some modifications to ensure your plants have a healthy environment. Cut some ventilation ports in the box to cool the space and so the plants can have fresh air. You’ll also want to make sure there’s an extra, smaller hole to funnel in electrical cords, because you’ll definitely need a light fixture and ventilation fan — both of which need to be plugged in.

Other light sources, including compact fluorescent lights and high-intensity discharge (HID) options such as high-pressure sodium (HPS) and metal halide lamps, can also be used. However, the higher heat output of HID lights, and their need for an external ballast, make these options less practical for a grow box. Whatever lighting you choose, be sure that it is hung securely. Feed the power cord for your light outside the box through the port. Plug the cord into the power source with a timer to give your plants the appropriate light cycle.

Ventilation: Plants Need to Breathe, Too

Grow for It!

At the top of the cabinet, install a fan to push warm air out of the grow box through a ventilation port. Near the bottom of the box, install another ventilation port, which should be about twice the size of your fan to ensure a good flow of air through the plant canopy and out the exhaust port.

Note that the lights and fan should be fastened to the top of the box to ensure that all wires are safely kept away from water. To suspend the lighting and ventilation equipment inside, hooks can be screwed securely into the ceiling of the grow box. Be sure to put a large, shallow tray on the floor of the cabinet so it’s water-safe. For added security and to discourage prying eyes, a lock can be installed on the door, if deemed necessary.

A grow box is a small enclosed space that provides an ideal environment for the plants growing inside. It’s similar to a grow tent, which is kind of like a grow box’s less sturdy cousin. A grow box can fit in a cabinet, container, or any similar item or space with an open interior and at least one side that opens for easy access.

A DIY grow box can be custom-built from scratch. But it’s a lot easier to get a build-it-yourself cabinet kit from a general retailer, like Ikea or whatnot. Another possibility is to convert an ordinary item into a grow box that can hide your plants in plain sight. The options are only limited by your imagination — I’ve seen wardrobes, refrigerators, and even steamer trunks inconspicuously conceal a thriving ganja garden.