Best 3×3 Grow Tent Review: Are They Worth Your Money?

On the market, there are a variety of models with different sizes and functionalities. If you intend to take care of 3 - 4 plants, then you should opt for a 3x3 grow tent. 

If you do happen to be on the look for one, please take a look at our review of the best 3x3 grow tent on the market for suggestions!


Comparison Table of Three Best 3x3 Grow Tents 

Editor's Choices
VIVOSUN 36"x36"x72" Hydroponic Mylar Grow Tent with Observation Window and Floor Tray for Indoor...*
Customer's Rating
Best Feature
Highly reflective
Gorilla Grow Tent GGT33 Grow Tent, 3 by 3 by 6-Feet/11-Inch, Black*
Customer's Rating
Best Feature
Height extension kit 1680 D steel construction
Best Selling
CoolGrows 36"x36"x72" Mylar Hydroponic Grow Tent with Window for Indoor Plant Growing 3'x3'x6'*
Customer's Rating
Best Feature
Lightproof with 99%-reflective mylar

The Best 3x3 Grow Tent Review 2020

Vivosun Mylar Hydroponic Grow Tent - Best Overall

Vivosun earns its worldwide reputation for manufacturing high-quality hydroponics equipment. And The Vivosun 3x3 Mylar Hydroponic is one of the best-selling grow tents on the market that you should consider first.

The tent is made of the first-rate 600D fabric, featuring exceptional tearproof and lightproof advantages. In addition, 98% of the interior is made of mylar - a highly reflective material. The long-lasting frame of the tent is also well supported by the strong steel poles. Compared to poles made of plastic, these are far more long-lasting and compact.

To prevent the interior light from escaping, this Vivosun model is equipped with heavy-duty zippers with double-stitched seams. Therefore, the overall tent design does a great job of reflecting the light to escape out of the tent, enhancing the yield efficiency.

However, some users complain that the tent appears to have pinholes in the fabric. On the bright side, if you happen to find some on yours, you can ask for the warranty.

  • Long-lasting construction with 600D canvas and compact poles
  • Tearproof and lightproof
  • Reflective interior with mylar material
  • Heavy-duty zippers
  • Nice ventilation system
  • Convenient observation window
  • Removable floor tray
  • 2-year warranty
  • May appear pinholes in the fabric

Gorilla GGT33 Grow Tent - Best Distinction

Another outstanding 3x3 grow tent on the market is the Gorilla GGT33, manufactured by the leading hydroponic equipment brand Gorilla.

The most exceptional feature of this product that sets it apart is the height extension kits. If you are not satisfied with your tent's height, then you can extend it vertically for approximately one or two inches with these kits. The maximum expansion can reach up to 10" tall.

The ventilation system of this Gorilla model can live up to every users' expectation. It features ducts and mesh vents, which help enhance airflow effectively. Moreover, the tent comes with a variety of ports to let users manage essential gear.

Another excellent feature of this tent is the steel frame. It employs 1680D fabric steel, which can stay good as new for years of use. Like other grow tents, the Gorilla model has zippers with full wrap around to ensure the best light reflectivity

The only thing to concern about this product is its fairly high price, compared to others on this list. Besides, it is best that you check whether the zippers prompt to any light leaks.

  • Unique height extension kits
  • 1680D steel frame
  • Durable and light-proof
  • Removable spill tray
  • Large viewing window
  • Outstanding airflow system
  • A bit pricey
  • May have minor light leaks in the zippers

CoolGrows 36″x36″x72″ Mylar Hydroponic Grow Tent - Best Reflective Tent

This CoolGrows Mylar Grow Tent is another favorite option for hydroponic gardeners. With a range of outstanding features, this grow tent is definitely worth every penny.

The interior of the tent is lined with 99% reflective mylar, keeping the light concentrated in the tent. It also includes filter straps and hanging bars, which can be quite convenient. Besides, the tent features a viewing window to help you observe the plants without disrupting their environment.

Another advantage of this grow tent is its durability. It features a 600D canvas that is extremely tough. With heavy-duty metal frames, the tent is long-lasting and reliable for many years of use.

One thing that needs improving in this tent are the zippers. Some users find that these do not function as smoothly as they expect them to.

  • Heavy-duty frame with 600D canvas
  • 99% mylar interior
  • Include filter straps and hanging bars
  • Removable and waterproof spill tray
  • Steel connectors
  • Easy setup
  • Zippers are not so smooth
  • May have small holes

Finnhomy Hydroponic Grow Tent - Best Ventilation System

Another premium product presented in our list of the best 3x3 grow tents is the Finnhomy Hydroponic grow tent. It is a highly recommended choice for gardeners from all levels of experience.

When it comes to the ventilation function, the Finnhomy model really defines its quality. The tent features a variety of ducted ports with mesh strings to offer the maximum airflow. Plus, it comes with many vent windows made of mesh, supporting better air circulation.

Thanks to the use of 600D oxford fabric, this hydroponic tent offers excellent durability. It is not only tearproof, but it also provides high-grade puncture-resistant and waterproof quality. One more advantage of this tent is the highly reflective interior, made of 95% of Mylar. Aside from that, the tent is equipped with a removable mylar tray to enhance the better reflective effect.

However, when buying this grow tent, you should check whether it has any light holes in the fabric and the seams.

  • Excellent ventilation system
  • Durable 600D oxford material
  • Highly reflective interior
  • Removable mylar tray
  • Extra flaps for better light control
  • Heavy-duty SBS zippers
  • May have light leaks

TopoGrow D-Door 16"X 16"X 48" Indoor Grow Tent - Best Durability

TopoGrow is one of the leading brands in indoor gardening that you can entrust your plants to. This 3x3 grow tent from TopoGrow is promised to be an essential part of your horticultural success.

When it comes to durability, TopoGrow is among the best recognized grow tent manufacturers. This D-Door 3x3 model does not fail to meet gardeners' expectations for a high-quality grow tent. The tent has a 600D oxford canvas that is extremely long-lasting and lightproof.

The tent also comes with long-lasting zippers and a double-stitching cover to avoid light leaks. The interior is made of reflective diamond mylar - a high-end material in a large number of premium grow tents.

Another advantage of this product is its excellent air ventilation system. The round vents are composed of mesh to support better air circulation throughout the tent.

However, you should note that this tent features plastic connectors. Although the overall construction is reliable, the plastic connectors are not much favored by gardening experts.

  • Durable and light-proof with 600D canvas
  • High-quality mylar interior
  • Heavy-duty zippers
  • Reinforced double-wall design
  • Excellent air ventilation system
  • Removable floor
  • Plastic connectors
  • May have rusty holes

TopoLite 36"x36"x72" Indoor Grow Tent - Best Dark Room Grow Tent

Another best 3x3 grow tent that you should opt for is the TopoLite Indoor Grow Tent. The item includes a double-stitched 600D canvas, while the interior utilizes diamond mylar with 96% reflectivity. When it comes to effectiveness, this grow tent certainly lives up to your expectations.

Like other grow tents, this model is equipped with heavy-duty metal zippers with no puncture holes. Thus, a light leak will no longer be your major concern.

Moreover, the air circulation functionality of this grow tent is quite exceptional. It comes with several mesh vents and dual ventilation socks. Not only do they improve filter and fan efficiency, but they also support enhanced ventilation. For fresher air, you can make use of the available carbon belts as filter straps.

The minor matter with this model is the plastic connectors, which are considered not as good as the metal ones.

  • 600D canvas
  • Reflective mylar interior
  • Easy assembly
  • Excellent air circulation
  • Removable floor
  • Plastic connectors
  • May have some light holes.

iPower GLTENTXS3 Hydroponic Water-Resistant Tent - Best Value For The Money

Are you seeking a low-budget grow tent that is suited for many growing systems? Look no further than this iPower Hydroponic Tent!

The product offers good uses and quality at an unbelievably low price. The first benefit to look at is the durability of the tent. The employed material is 3-ply vinyl with a thickness of 5 mm, which is extremely heavy-duty. Plus, the tent features all-metal construction, which makes it more compact and reliable.

Additionally, 99% of the tent is light-proof, thanks to the long-lasting zippers with double-stitched seams. The material used for the inside of this tent is 98% diamond Mylar to facilitate the best light scatter.

At its affordable price, this 3x3 tent undoubtedly does wonders for the external light blocking and internal light-reflective function. 

Yet, like many models mentioned above, this tent cannot 100% prevent light leaks.

  • Sturdy construction
  • Excellent light-proof features
  • Good ventilation system
  • Convenient observation window
  • Removable floor tray
  • Affordable
  • Minor light leakage may appear.


You may doubt whether a grow tent is necessary for indoor gardening. The answer is YES since it is the easiest way to help you control the growing conditions of your plants. Among a variety of sizes, the 3x3 grow tent is the most common choice. It does not take up too much space to set up while offering many benefits for productive yields.

From our detailed best 3x3 grow tent review, we highly recommend the Vivosun Mylar Hydroponic 36"x36"x72". Due to all the high-quality materials and outstanding features, there is no question why this product becomes one of the best-selling grow tents worldwide.

VIVOSUN 36"x36"x72" Hydroponic Mylar Grow Tent with Observation Window and Floor Tray for Indoor...*
  • Keeps All Light In: VIVOSUN Hydroponic Mylar Grow Tent blocks all light from escaping and is lined with 98%-reflective Mylar to boost the output efficiency of your setup; No need for additional flaps...
  • Extra-thick, Stands Sturdy: Supported with strong metal poles, the top-quality 340 g. Oxford fabric tent is tear-proof and double-stitched for perfect light blockage, while the inside is lined with...
  • Easy Observation: Don't throw out your back bending over to check on your plants; Our easy-access door unzips smoothly, and the observation window makes it easy to peek inside without disturbing your...
  • Fast Installation: Our grow tents are easy to install even if you've never done anything like it before: no tools needed; Unrivaled craftsmanship and materials make VIVOSUN's Hydroponic Mylar Grow...
  • Quality Assurance: We pride ourselves on delivering the best selection of grow tents at various sizes and affordable prices; We also pride ourselves on outstanding customer care; If you have any...

You can also consider other options that we have carefully picked out. Best of luck in choosing your favorite, and thanks for reading!

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