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DIY Grow Room: Build Your Cannabis Indoor Grow

If you live in a place where cannabis is illegal and you want to grow your own, the best option is to grow your plants indoors. A grow tent allows you to control the temperature, humidity, and most importantly, prevent light leaks and eliminate the smell. Despite what everyone thinks, you can build a cheap grow box if you know which materials to use and how to build it, here are a couple of homemade grow tent ideas to help you save money and start growing in no time.

1. Main requirements

Before starting to build your grow tent, you need to have a couple of things in mind.

Even though you can grow cannabis anywhere you want, what differentiates a grow tent from any other growing space is its ability to keep light from leaking, being airtight so the exhaust fans can work properly and you can keep a stable temperature and humidity.

You can build good stealth grow tent as big as you want, with everything you need to, from the appropriate structure for the light fixtures to the exhaust fan and filter, and as long as you can accomplish the main requirements, you will have a fully functioning grow tent.

A DIY grow tent doesn’t stay behind a grow tent you would buy at a grow shop if you use good materials and take your time to do it and despite seeming like hard things to do, it is fairly easy.

Light-proof

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

When flowering, you need to provide a 12/12 light cycle, if there is a source of light near your grow tent when the lights are turned off, that light might get in and stress your plants, making them revegetate or becoming a hermaphrodite.

This is why a grow tent must be 100% light-proof, it will not only allow you to maximize light usage but will also avoid any problems with your plants.

Waterproof

If you’re planning to build your grow tent with plywood for example, you have to cover the inside with a waterproof material like a plastic sheet (or something similar).

By doing this you keep the wood dry and avoid rotting (keeping mold away from your grow tent). It will also make it easier to clean and you won’t have to worry about water leaking to your floor.

Air-tight (temperature, humidity, and airflow)

As you may know, growing indoors allows us to control and adjust the temperature, humidity and intensity of the airflow, because of this, your grow tent must be air-tight.

If you fail to keep air inside, your exhaust fan won’t work properly, it won’t keep the cannabis smell contained and it will be easier to get bugs.

An air-tight grow tent is a must when growing in places where cannabis is illegal, failing to contain smell (and light) in the tent can easily cause neighbors to report you to the police, so make sure you check this a couple of times throughout your growing cycles, as this can easily be fixed and will save your from a lot of headache.

2. Different types of builds

When building your grow tent, you can make it as big as you want to and out of anything you have available as long as you make it light-proof, air-tight and waterproof.

The easiest ways of making it are with a metal (wood or plastic) structure and a plastic sheet covering it, or building a closet-like structure with plywood.

3. Building your own indoor grow step-by-step

To start building your own indoor growing space you’ll need some basic materials and tools, some you might already have at home.

Grow tent

A grow tent is the best DIY grow space because (depending on how you build it) you can easily disassemble it when you need to and then mount it again without needing anything else.

To build a grow tent, you will need wood, metal or plastic poles, and a plastic sheet.

The size of the poles obviously depends on the height and size of the grow tent you want to build, but here’s an example to build a 1x1x2 grow tent.

First, you’ll need to cut and assemble the poles into something like this:

As you see in the image above, you’ll need 8 poles with 1m each for the top and bottom part of the structure, 1m x 3 poles for (E) and (F) and 2m x 8 poles for (C) and (B). If you want to make it easier to handle and assemble, you can cut the 2m poles into 1m x 8 poles and connect them with PVC fittings.

You will also need 8 PVC 3 way knees to connect (A) to (B) and (A) to (C), and 6 PVC Tees to connect poles (E) and (F) to (A).

If you’re planning on using a heavy light fixture (or more than one) and an exhaust fan with a carbon filter, it’s better to use metal poles so the structure can bear the weight.

After you have all the poles and connectors ready, you need to cut the plastic sheet.

The plastic sheet should be measured on the grow tent before cutting so you don’t have to redo it, make sure it doesn’t have holes to avoid light leaks and if it doesn’t get too hot where you live you can use 2 layers of the sheet to make the tent more resistant.

Even though the plastic sheet is waterproof, you will need to coat the inside of the grow tent with a material that reflects light like a mylar sheet or a white plastic sheet.

Note: Instead of using mylar, you can use a white plastic sheet, it won’t reflect light as good as mylar but it works great if you can’t find mylar easily.

Grow “box”

A grow box is easier to build, although you cannot disassemble it effectively and the plywood can rot after a while because of the humidity and eventual water spills. To make a grow box out of plywood and wood beams, you’ll need a structure similar to the structure of a grow tent.

You need 1m x 8 wood beams for (A), 2m x 8 wooden beams for (B), and 1m x 2 or x 3 beams for (C). The amount of beams you need on top depends on the weight of your light fixture, exhaust fan, and carbon filter.

After you have the structure mounted, you need to cut the plywood to start closing the sides of your grow box.

You’ll need 1x1m x 1 and 1x2m x 4 plywood sheets, remember they need to fit perfectly so there are no light leaks and the grow box is as air-tight as it can be.

One of the 1x2m plywood sheets will need to be cut in half (for the door). You’ll also need 4 door hinges so you can open and close your grow box properly.

Tip : Even though it is not obligatory, you can glue pieces of rubber sheet where the plywood sheets meet and in between the door to make you maintain the temperature and humidity levels.

Because wood can get wet and rot, it’s a good idea to cover the inside with 2 layers of material.

4. Objective

The result of your DIY grow tent or grow box should be something similar to this:

With some minor differences, obviously.

After you have everything set up there are a couple more things you need to have your growing space up and running, these things are:

  • Ventilation system
  • Carbon filter
  • Light fixture

Unfortunately, you cannot make them at home (unless you have experience with electronics), so you’ll have to buy them.

5. Exhaust fan

The exhaust fan usually goes on the top part of the grow space and is connected by a tube to the carbon filter.

The exhaust fans ensure a good air exchange, this is crucial to the growth of your plants because the air exchange will provide the CO2 your plants need while letting out oxygen.

A good ventilation system along a decent-sized fan will also help your plant’s stem develop tougher, helping them support the heavy buds in the flowering stage.

6. Carbon filter

The carbon filter goes directly connected to the exhaust fan (sometimes it’s connected by duct tubing) and it’s what will eliminate the strong cannabis smell before letting the air out, a carbon filter is crucial if you are growing indoors in a place where cannabis cultivation is illegal, this will avoid problems with your neighbors and the police.

Have in mind that when making your own grow tent or box you will have to make the holes where the duct tubing goes in and out.

7. Light fixture

As you may know, light is vital for growing any kind of plants, including cannabis.

Depending on the kind of light fixture you’re planning to use, you’ll need to make some adjustments so you can adjust the height of your light.

Some lights are heavier than others or maybe you’ll need to use more than one light fixture. So remember to test the structure you’ve made with the exhaust fan, carbon filter, and light fixtures (and maybe add more support) so you don’t risk killing your plants if the equipment falls on them.

8. In conclusion

If you want to start growing your own cannabis you don’t need to spend a lot, despite the cost of a ventilation system and lights, you can easily build your own indoor growing space by yourself.

Make sure you’re taking the appropriate measure so it’s solid, steady, and can support the growing equipment and you’ll have a fully functional grow tent while spending way less than buying one at a grow shop.

If you live in a place where cannabis is illegal and you want to grow your own, the best option is to grow your plants indoors. A grow tent allows you to contro

Diy Grow Tent: 12 Easy Yet Inexpensive DIY Grow Box Ideas You Can Build

Growing plants indoors will require you to have a grow tent to make sure that you can create a controlled environment where you can let your plants thrive.

Grow tents are available in different sizes and you can easily get these online or from shops with gardening tools and items.

While getting a grow tent is a cheaper way to grow plants indoors rather than building your very own greenhouse, there are still ways for you to save a few more bucks with these.

A great DIY project is surely the way to go to save up and make sure that you get a grow tent that surely fits your grow space needs!

I did some research and found some great guides and ideas on how to build a grow tent setup. I’m pleasantly surprised that there are quite a handful of guides out there.

Of course, I’d love to share them with you so if you want to get some great DIY grow Tent ideas , just read along.

Tips For Gardening In Grow Tents

Now, before I’ll tell you how to build a grow tent, I’d like to share some reason why making your own grow tent is actually a good idea and the key requirements to create a great grow tent.

I know that it may sound tedious and it’s true that doing this will require some effort, but it will be worth it.

Using a grow tent alone just gives you the control to let your plants thrive well but making your own grow tent can let you have the upper hand when it comes to making sure that you have adequate space for it.

You can create a grow tent based on the available space you have wherever it is in your house or even the basement or garage.

You also get to choose the materials you use that depends on your budget or your preferences.

When shopping for ready to set-up grow tents, you may find yourself wanting features that a certain brand does not have but others do.

This dilemma, you don’t have to face when you build your own grow tent. You basically can incorporate whatever feature you like that could work well with your crops or plants.

Key Requirements That Your Grow Tent Should Have

A grow tent should have functionalities that could help you grow your plants or crops. There are a few key requirements that should be considered to make a great grow tent. Here are some of them.

Shining A Light On Reflective Materials

Sure, you’ll get the lighting needs of your plants from any grow lights. However, your grow tent should be able to reflect lights efficiently.

You’ll find that commercially made grow tents usually consist of walls made with reflective mylar so it can efficiently bounce back light to your plants.

Your grow tent should also be a hundred percent lightproof. You need to be able to control how much light you have in your grow space, so you wouldn’t want light from the outside to obstruct your lighting set-up.

Properly Sealing

It’s best to have a grow tent that you can seal shut. An airtight grow tent allows you to have better control of your grow space’s atmosphere. It can also help you contain the smell of your plants.

Making your grow tent airtight can also help you avoid infestations that can be harmful to your plants.

Mylar and solid materials can help you create an airtight tent. You should always check for holes where air and light can escape from your grow tent.

Right Grow Tent Size

Of course, you can always pick the size of the tent that you’ll need, but a great tent will maximize the available space that it can give you.

Some commercial grow tents have compartments or pockets where you can store your tools.

Making your own grow tent makes you maximize the size of what you have.

You can check where you can install pockets or compartments for not only your tools but also other grow tent essentials like dehumidifiers and vent system that can consume some of your space.

15 Easy Diy Grow Tent Plans For Year Round Indoor Gardening And Seed Starting

A DIY project like definitely makes your indoor growing hobby more personalized. Personally, I sometimes see DIY projects as a great group activity.

This diy grow box project is actually a good time to bond with family, friends or partners too.

Now, if you’re excited to know how to build your own home made grow tent, here are the diy grow box setup guide that I found and would love to share with you which I think help you to make a grow tent on a budget.

1: DIY Grow Tent Using A Rack Build Under $100

If you have a rack sitting in your basement and you want to make sure that your tent can disperse light efficiently, this is a great idea for you!

This is a great guide that won’t even let you spend an amount higher than $100.

You won’t need much carpentry skills for this. You only will need strong adhesives like gorilla glues or wide duct tapes.

You’ll also need to properly plan how your wirings will be arranged. For doing so, you’ll need some Velcro strips or cable stripes too.

For the wall of this grow tent, you’ll need a black and white poly. The white side of the poly is what will reflect the light inside the grow space.

2: Assemble Your Own DIY Grow Tent Using Panda Film

I find this guide very simple and easy to follow. You’ll only need a few materials for this, with panda film as the main star.

Just like the first guide, you’ll also only need a stainless steel adjustable rack for this. It means that you don’t need to use heavy tools for this.

If you don’t know what a panda film is, it is something that you can use in the inside of your grow tent. A panda film is a material that is waterproof and can efficiently reflect the lights from your setup.

You’ll also need some Velcro or cable wires to make sure that you manage your wirings well. Since the skeleton of this grow tent is a rack, expect that you can’t really grow tall plants in here.

3: Grow Tent Made Of Canvas Build Under $32

Instead of the adjustable rack, this DIY grow tent project makes you transform a canvas wardrobe into a grow tent.

This is a great guide for people who are in a budget as this can only cost you as much as £25 or somewhere around $32.

You’ll need a double-sized canvas wardrobe for this. To make the inside walls reflective, you will be using a mylar reflective sheet that is around 3m long.

Overall, this is still an easy and creative guide. You’ll also only need strong adhesives to assemble this grow tent.

The skeleton of a canvas wardrobe is may not really be that strong so what you do is to support its base by adding strips of wood.

4: Cheap And Easy DIY Grow Box With PVC Pipe

This DIY box tent tutorial is found on YouTube, so if you’re someone who needs to see how it’s done, then this is for you.

This is great if you want a grow tent that you can completely customize. You can follow what’s on the video, but you can even change the measurements and make a bigger one.

The skeleton of this tent is made PVC pipes, so make sure that you have a PVC cutter ready. The walls of this tent are made of Reflectix.

This is a material that can reflect light and can serve as an insulation sheet. This basically looks like the material used in insulated lunch boxes.

You’ll only need some glue and double-sided tape for this. It’s not as sturdy as a DIY grow cabinet made of an adjustable rack, but the PVC pipes can handle some weight too. Just make sure that you use strong adhesives for this.

5: Cheap DIY $2 Grow Tent

This sounds too good to be true, right?

This tutorial on YouTube will only require you to get two main materials for your tent.

You’ll only need a mylar sheet that only costs $1 and a couple of hula hoops. There are still other materials that you’ll need to use to build this, but those other materials are probably just lying around your place.

What you really need to do is to hang the mylar sheet around the hoop and have the light placed in the middle of your hoop.

It basically looks like a mobile that you can hang wherever you choose. Surprisingly, this can actually improve your lighting system.

6: DIY Wooden Grow Cabinet Build Under $50

This is one of those DIY grow box projects that could only cost you less than $100. In fact, the one who made this guide only had to spend around $50 for this.

This is still cheap considering that you’ll be using wood as the base and body of your tent.

There are quite a few materials that you’ll need for this and since wood is involved, you’ll need to use some carpentry tools for this.

You can customize the size of the wood that you’ll use, but what’s indicated on this guide is that you can use at least one sheet of common plywood.

7: Complete Budget Grow Tent Build Under $300

This complete grow tent tutorial on YouTube is a complete guide on how you can set up a fully functional grow tent.

Although $300 sounds like a lot compared to the other guides, this budget already includes all the equipment you’ll need in your grow tent.

This guide includes how you can set up your grow tent’s duct and lighting system. This includes the vent, exhaust fan, and grow lights.

8: DIY Cloning Tents For Propagation Of Cuttings

The owner of this guide used ani industrial shelving unit for this project.

However, if you don’t have one, you can make use of any rack or shelves that you have. Just make sure that you’ll have enough space for your lighting setup. Alternatively you can use cob led grow light which is are relatively compact in size.

What stands out in this guide is the use of aluminum foil as the main cover or walls of the grow space.

The aluminum foil used is the same kind that you can find in your kitchen. If you have a shelf or rack with multiple levels, you can use the bottom part as storage, just like what’s shown on this guide.

9: Building A Grow Tent With PVC

This is another grow tent with a skeleton made up of PVC pipes. This guide utilizes that are 36 feet long.

It’s a simple project that only takes about 20 minutes to finish. PVC pipes are less expensive to purchase compared to wood, so this is great if you want something inexpensive.

You can also customize the size of your grow tent with this. If you want a bigger grow tent, then be prepared to purchase more PVC pipes, including the corners, Ts, and crosses.

Overall, using PVC pipes is a smart choice. It’s lightweight and you can easily expand what you have by adding more pipes.

10: $100 DIY Grow Tent Made With An Adjustable Shelving Unit

An adjustable shelving unit is more heavy-duty compared to PVC pipes. It’s also a smart choice if you don’t want to spend time on assembling PVC pipes.

When you use a shelving unit, all you need to work on is the walls and your grow light setup.

The writer of this guide uses a black and white poly to serve as your grow tent’s walls. There’s no carpentry involved. You just need a strong adhesive like duct tape to make this work.

11: Best DIY Grow Tent Ever Build Using Wood And Tarps

The skeleton your grow tent will have if you follow this guide will be made of wood. You’ll need nine pieces of 8 x 2 x 1 wood that will cost you around 15 bucks.

For the walls, you’ll be using heavy duty tarps, which will cost you around $30.

12: Simple And Cheap Grow Tent

This is another DIY grow tent project that makes use of a reflective sheet. For this, a window shield was used to reflect the lights back to the plant. It kind of has the same idea of how the $2 DIY grow tent was assembled.

You just really need to hang the window shields around plants you placed in this setup. Depending on how many reflective sheets you have is the size of this grow tent.

The main challenge here is how you can keep the window shield fall straight, but it works great.

However, just like the hula hoop set up, you won’t be able to seal the grow tent in this tutorial. It means that it’s best to have this placed in a room where you can control the temperature.

I find this guide very creative. All the materials you need are listed, and you’ll only need a few tools. Your budget for this setup will be less than $100.

What you can do to improve your lighting if you follow this setup is to purchase mylar sheets that you can put up inside the tent.

It is perfect for any vegetables or mushroom.

Lindsey Hyland grew up in Arizona where she attended University of Arizona’s Controlled Environment Agriculture. She supplemented her education by working on various organic farms in both rural and urban settings. She started Urban Organic Yield to discuss gardening tips and tactics. Growing and raising just about anything gets her very excited. She is especially passionate about sustainable ways to better run small-scale farms, homesteads, urban farming and indoor gardening.

While getting a grow tent is a cheaper way to grow plants indoors rather than building your very own greenhouse, there are still ways for you to save a few more bucks with these.