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Best 4×4 Grow Tents 2020 — Reviews & Top Picks

Last updated: May 29, 2020

grow big box wikimedia commonsWhen the dread of winter sets in and the garden goes limp, so do our hopes of cultivating the land. Not so fast! Grow tents are a wonderful example of how we can use science to bring the outside in. Some plants actually prefer being grown in a tent because of the constant light.

Grow tents also take up little space, are easy to set up and tear down, and offer a regulated environment. As with any other product, though, not all grow tents are created equally.

In these reviews, we’ll dive into the grow tent marketplace to bring you reviews of the best ones. Let’s take a look at our favorites.


A Quick Comparison of Our Favorites

ModelPriceDimensionsRating
VIVOSUN Hydroponic
VIVOSUN Mylar Hydroponic Grow Tent(Best Overall)

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48 x 48 x 80 inches4.90/5
CoolGrows Hydroponic
CoolGrows GT Indoor Mylar Hydroponics Grow Tent(Best Value)

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24 x 24 x 48 inches4.75/5
Gorilla Lite Line
Gorilla LTGGT44 Grow Tent Lite Line(Premium Choice)

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24 x 24 x 48 inches 4.55/5
Apollo Horticulture Hydroponic
Apollo Horticulture GT48X48X80 Mylar Hydroponic Grow Tent

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48 x 48 x 80 inches4.35/5
TopoLite Indoor
TopoLite Full Range Multiple Indoor Grow Tent

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32 x 32 x 63 inches4.10/5

The 8 Best 4×4 Grow Tents — 2020

1. VIVOSUN Mylar Hydroponic Grow Tent — Best Overall

VIVOSUN Mylar Hydroponic Grow Tent

There are a few important things to consider when buying a grow tent, but one of the main things is how well they retain light. Retention of light is good for both you and your plants. Your plants need consistent light, so this way, they will have an environment that they can thrive in. This saves you money because you won’t have to waste electricity. The inside of this tent from VIVOSUN is a reflective mylar, which is why the light retention (98%) is so good, but it means that it holds in heat.

Another thing to think about is the stability of the structure, and this product holds up admirably. There’s plenty of room for air to circulate, which gives the plants more of a chance to thrive. The construction is nice as well, even the zippers. With three vent intakes, two on one side and one on the other, you are more than covered. The metal bars hanging on top can easily hold most grow lights. There is also an observation window so you can easily see what you are growing.

Depending on how much you are growing or would like to grow, this tent comes in a variety of sizes. Each is as well made as the next.

Those who have gone with VIVOSUN to aid in the growth of their plants are quite pleased with it. The only negative thing with this tent is that the instructions to set it up are surprisingly difficult.

Pros
  • 98% light retention
  • Viewing window
  • Heavy-duty metal bars for hanging a grow light
Cons
  • Hard-to-follow assembly instructions

2. CoolGrows Indoor Mylar Hydroponics Grow Tent — Best Value

CoolGrows GT Indoor Mylar Hydroponics Grow Tent

This product is similar to our top pick, but we chose this as the value pick because it is at a lower price point. So, let’s dive into the features of this grow tent.

CoolGrows has made a product that is mylar lined and has a 99% light retention rate. This is wonderful news for you and your electric bill. It’s even better news for the plants you are growing. Strains that are meant to be grown indoors need to have a constant light source, one that doesn’t waver, and this tent is perfect for that.

This has dual vent socks that allow for the right amount of air to get in, while regulating the CO2 levels on the inside with great efficiency. The canvas that it is made out of is tough and adds to its ability to keep light out or in. This is another tent that has an easy-to-access viewing window. It’s also easy to set up.

With a CoolGrows growing tent, you will have access to a wonderful customer service team to help you for the life of your tent.

For the most part, growers agree that this is a wonderful product, though there have been cases where it’s been delivered with pieces missing. Fortunately, the wonderful customer service team can mail you what you need in no time flat. It’s easy to see why we think that this is the best 4×4 grow tent for the money.

Pros
  • 99% light retention
  • Great construction
  • Easy to assemble
Cons
  • Deliveries with missing pieces

3. Gorilla LTGGT44 Grow Tent Lite Line — Premium Choice

Gorilla LTGGT44 Grow Tent Lite Line

This adjustable 4×4 growing tent can cover all your bases. Not only does it have everything that our first two products do, but this tent will also allow you to make it even taller if need be. This is an issue that many growers run into, as they think they have enough room, but once the plants start growing, they actually don’t. With this tent, you can afford such mistakes.

The design of this is different from our first two, though there are similarities. For instance, it has four vent socks that allow for the flow of air and CO2, and these are made so you can have them as tight or as loose as needed. They are also made to be bug resistant. The inside is lined with mylar, though the manufacturer does not specify the light retention of this product. The canvas material is heavy duty, as are the zippers. Light should not be able to get in or out, nor should heat or cold.

The metal frame is a solid-steel interlocking frame called LITE LINE. This allows for easy assembly and disassembly if you need to move your tent. This product has two viewing windows for you to look through.

There are a few issues with this tent, however. The first is discretion. While people are becoming less worried about growing cannabis, it may still be an issue in certain areas, and those who have ordered this think that the packaging is overly advertising. The other thing is that there are better products out there, albeit at a higher price range.

Pros
  • Solid canvas construction
  • LITE LINE assembly
  • Bug proof
Cons
  • Non-discreet packaging

4. Apollo Horticulture Mylar Hydroponic Grow Tent

Apollo Horticulture GT48X48X80 Mylar Hydroponic Grow Tent

This tent doesn’t have a viewing window, but that might be the reason for its 100% light retention! When it comes to growing, you need to be able to control as many elements as possible.

With a metal supportive structure, the rest of this tent is doubly reinforced heavy canvas that makes sure no light goes out or comes in. Even though there’s no viewing window, you can simply open the flap and take a peek at what’s growing inside! The metal frame itself can hold grow lights up to 110 lbs.

This tent is advertised as being ideal for a novice grower. It is on the lower end of the price spectrum when it comes to grow tents, and it is good at helping you regulate things like light and temperature. The removable tray is easy enough to wipe down and clean, and it’s also removable for when you need to water. On top of all that, this product is easy to set up.

Many agree that this is a wonderful starting tent, but they also report that this leaks light, which means that it is not quite 100% light retaining. Apollo offers a 90-day warranty.

Pros
  • Great starter tent
  • Easy to assemble
  • 90-day warranty
Cons
  • Best for starters
  • Not 100% light retaining

5. TopoLite Full Range Multiple Indoor Grow Tent

TopoLite Full Range Multiple Indoor Grow Tent

TopoLite has made a grow tent out of 600D Oxford cloth, and while we love that fabric for grow tents, there aren’t many options when it comes to opening it. Let’s go over the positives of this tent first, though.

This comes with all the standards that you need in a functioning grow tent. There are three different vent socks, which secure pretty well, but maybe not well enough for a seasoned grower. These are at the top of the tent, so you have less room for flexibility.

There are two mesh breathing tabs to let the tent air out, though they are sitting on the bottom; they could have doubled as observation windows if they had been placed higher.

To open this tent, there is one huge flap, which exposes the entirety of the inside when open, making it hard to control the temperature and environment. The interior is made of mylar and is 96% reflective.

One of the perks of this tent is how easy it is to set up. You basically have a portable grow tent to take with you on the go.

We think of this item as a beginner’s grow tent, and there are better options for starters at this price point.

Pros
  • Easy to assemble
  • Great starter tent
  • 96% reflective mylar
Cons
  • Better tents at this price point
  • No observation windows
  • Not much flexibility with vents

6. OPULENT SYSTEMS Water-Resister Grow Tent

OPULENT SYSTEMS Water-Resister Grow Tent

Opulent Systems has made a waterproof tent that can withstand steamy grows. Considering the elements involved, this could come in handy, though it does seem unnecessary. The inside is made of mylar, which does a good job of wicking away water in addition to being completely reflective.

This tent is made of 600D canvas and has many wonderful details. There are five different ventilation slots that close around the duct you are using. The floor tray is removable, making for an easy clean. There is a convenient window design that allows you to check in on your plants, as well as to hang your tools. You’ll have everything you need right at your disposal.

Assembly is simple and tools are not needed. The steel bars that hold this item up are sturdy, and you won’t have to worry about them breaking. You can confidently hang a 110-lb. grow light from these bars.

This is a decent tent for the money. Unfortunately, it does let some light escape, making it harder to control the environment. The zippers are also clunky and sometimes break. Fortunately, this product comes with an 18-month warranty.

Pros
  • Observation window allows you to hang your tools
  • Easy to assemble
  • 18-month warranty
Cons
  • Lets light out
  • Zippers are not durable

7. Hydroplanet Canvas Grow Tent

Hydroplanet Canvas Grow Tent

Hydroplanet states that this is quick to assemble, but we found that it’s not easier to put together than any other item on this list.

The pieces are actually quite heavy, and you have to literally snap them into place. This does, however, allow you to hang heavier grow lights.

The canvas is fine but feels a bit cheap. The same goes for the mylar. You can see all the stitching on the inside, which is fine but makes it feel like it is a lower quality product.

Those who have used this tent have remarked about the inconsistent overall design. Little holes let light in and out, and as for the assembly, the instructions make little sense.

This product comes with a two-year warranty.

Pros
  • Sturdy frame
  • Two-year warranty
Cons
  • Hard-to-understand assembly instructions
  • Little holes all over
  • Feels cheap

8. MARS HYDRO Lightproof Reflective Grow Tent

MARS HYDRO Canvas Lightproof Reflective Grow Tent

Mars Hydro wanted to go big when it made this tent, and we aren’t referring to size. The canvas is made out of 1680D, while the highest quality you normally find is 610D. The mylar is what is called diamond mylar. However, diamonds are expensive, and so is this grow tent. While this grow tent sounds amazing on paper, it’s just as good as any other grow tent.

Assembly is simple enough, as everything just snaps together. The bottom tray is removable, which makes cleaning easy. This tent has three vent socks, an observation window, and two ventilation windows in the bottom. The metal frame is strong and can hold a grow light up to 140 pounds.

So, why is this item so low on our list? For what it costs, it just isn’t that much better than any of the other tents on the list. There are little holes in the canvas that let light in or out, and the zippers, while decent, still break every now and then. The observation window just acts as another vent, making it hard to control the temperature and the light.

Pros
  • 1680D canvas and diamond mylar
  • Holds grow lights of up to 140 pounds
Cons
  • Pin holes galore
  • Observation window is another vent
  • Hard to regulate light and temp

Buyer Guide

When you first get the idea to grow a personal stash of cannabis at home, it sounds nice and easy, but there is so much that goes into the process. At least when it comes to grow tents, we’ve got you covered. Let’s take a look.

Light

Cannabis requires constant light, and it’s important to know whether your tent will allow this. Make sure your tent doesn’t have any little holes that can let light escape.

Temperature

The fabric that keeps the light inside these tents is also what keeps the temperature regulated. Vents allow you to cool your plants as needed, but for the most part, plants thrive in a warm environment, so check for any little pin holes that allow heat to escape. This is the variable that needs to be most carefully watched.

Seal

Research how good the seal is on the vent socks of your tent. They allow for the passing of CO2 throughout the tent, but you don’t want any heat escaping, and you want to be the one controlling the levels of CO2, not outside elements.

Strength

You will need something to generate all that light and heat. To do this, you’ll want a grow light. Of course, grow lights can be heavy. Make sure to get a tent that can handle a substantial amount of weight.

Topolite

Credit: TopoLite Full Range, Amazon

Conclusion

With more states allowing the use of cannabis, either medically or recreationally, more people are making plans to grow their own. The process isn’t easy as it seems, however. But with the ever-hasting pace of legalization, there’s information out there about how to properly grow, and we are happy to be a part of that. We hope that these reviews have given you a good foundation for how to get started with the environment you’ll need for your strains to thrive.

So, did you find the tent that you’re going to buy? Maybe it is from our top pick, VIVOSUN. Or maybe you prefer the value option and will be donning your house with a nice tent from CoolGrows. Whatever you choose, happy growing!

Featured Image Credit: Dkuru, Wikimedia Commons