Most Popular 04 Best 4×4 Grow Tent Review in 2021

If you’re an indoor gardening enthusiast, you need the best 4×4 grow tent. But with so many options in the market, choosing the right tent can be an overwhelming task. Generally, your tent should strike a great balance between the space it offers to grow your plants and the space it consumes. What’s more, it should create a conducive environment to grow your plants. Here is a detailed guide on the best 4×4 grow tent. Let’s jump right in!

 Best 4×4 Grow Tent Review

1. CoolGrows Indoor Hydroponics Grow Tent


CoolGrows is a 4×4 hydroponic system that provides optimal conditions to grow plants indoors.This is one of the best grow tents in the market. It features durable metal bars and connectors that click together quickly. And because it’s made with longevity in mind, the tent is made of tear-proof material. The Canvas (600D) ensures the unit is fully sealed.

Inside, there’s a 99% reflective Mylar lighting that ensures the plants get all the light they need. Also, it distributes heat with optimum temperature in any power configuration. This is the best tent if you want to set up an indoor garden in a condominium, greenhouse, apartment, or rented space. The tent is offered in different sizes to suit your space.

Viewing window

The tent comes with a viewing window to help you check the condition of your plants. This is a nice addition because it amplifies the energy store by filtering the white light. You don’t have to open the whole thing to see how your plants are doing. It’s worth mentioning that CoolGrows comes with a removable spill spray for removing the excess water once you’re done watering your plants.

Easy to install

The installation process is straightforward. This is something you can do even if you’re a beginner. Since the privacy flaps zip easily, you get something that looks like a wardrobe closet. Keep in mind, the self-lock spring tension locks easily. To disassemble it, you simply press down the trigger. In case you’re not sure where to start, you can follow the instruction pamphlet. No extra tools are needed. This is the go-to option if you’re on a tight budget.


  • It’s waterproof
  • Strong and durable
  • Easy to set up


  • The zipper doesn’t look durable

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2. VIVOSUN 48″x48″x80″ Mylar Hydroponic Grow Tent


If you’re a professional gardener, you can’t go wrong with VIVOSUN. It’s made of top-quality 600D canvas perfect for light blocking. The canvas is 0.8mm thick and comes with strong metal poles for easy installation. The manufacturer has gone great length to ensure the zipper is the best in the market. Since no light escapes through the window, you get maximum value for money. The door opens smoothly so you’ll not have trouble getting in and out of the tent. Unlike other tents in the segment, this model comes with a ventilation fan to ensure the best airflow.

Keeps the light in

The tent comes with a reflective Mylar to boost the output efficiency of the grow tent. The small window helps you monitor your plants. And if you feel you need to work on the plants, you simply open the door.

Inside the tent, there’s an inner tool organizer that allows for convenient storage for your tools. Besides that, the dual-layer ventilation seals tight around the fan. For easy cleaning, you can use the water-proof floor tray. To assemble the tent, you should build up the metal frame. Next, unzip and pull up the tent shell. After that, pull the bottom and cover the frame base. Finally, insert the floor tray to keep the tent clean.


  •  Quick installation
  •  Durable zippers
  •  Waterproof
  • Lightproof
  • Comes with filter straps


  • An instruction manual is not included

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3. VIPARSPECTRA Mylar Hydroponic Grow Tent


VIPARSPECTRA is specifically designed for the horticulture industry and gives ultimate control of your plants. It comes with durable metal connectors that hold your structure in place – no extra hardware needed. The metal poles can hold at least 110 lbs. It’s great for filters, grow lights, and fans. The zippers safeguard the growing space.

The rectangular window ensures better ventilation and keeps the dust away. Inside, you’ll find a reflective tear-proof Mylar. This material is lightproof and creates a conducive environment for your plants to flourish. Of course, the double-stitched fabric will keep the insects out.

The color of the tent is black on the outside and silver on the inside. It measures 48″x48″x80″ which is ideal for indoor plants. It’s great for vegetable lettuce, tomato plants, Cilantro, herb, pepper, and fruits out of season. If you have problems assembling the unit, you simply go through the instructions on the pamphlet.


  • Easy to assemble
  • Sturdy and durable
  • Lightproof
  • Gives value for money
  • 360-degree round wrap access


  •  There are concerns about the quality of the zipper

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4. TopoGrow Hydroponic Grow Tent


TopoGrow tent is suitable for indoor gardening. It measures 48” X48”X80” and is highly recommended for a large space. Growing can significantly utilize the space by placing up to 3-gallon pots. The outside material is sturdy to support the whole framework – it can hold up to 110 lbs. Also, the corners are sturdy to keep the tent in shape.

The 600D high-reflective Mylar ensures there’s no light leakage for the healthy growth of plants. This means that no light will interrupt the growth of your plants. On the other hand, heavy-duty zippers are easy to operate. If there’s water spillage, the tray will contain the problem.

As the cultivation of your plant changes, you can use the LED lights. Depending on your needs, you can use 300W, 600W, or 800W LED. The lights run on 120V (regular household output). To put it succinctly, you get more light using less voltage. During the lazy grow (veg growth to bloom) you don’t need to change the light source. In terms of cleanliness, you don’t have to worry as the tent is washable.

4-inch Carbon Filter Combo

Inside the package, you’ll find a carbon filter. It has 101W capacity and can rotate at 189CFM. Both sides are fluted for duct connections. One of the strongest selling points is that the filter is made of zinc anodized steel housing. Because it comes in different sizes, you can choose the best based on the number of plants you need to grow. The package includes a coal-based activated carbon, filter/6″ flange, and a fan.


  • The tent comes in different variations
  • Durable frame
  • The filter combo allows for ventilation
  • Seals from heat and light
  • The zipper could be better


  •  Needs lots of space

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Best led setup for 4×4 grow tent

Plants need light and sun to grow. To get more yields in less space, you need the right tent setup – light, fan, and filter. A 4×4 tent allows you to grow vegetables and fruits in less space. To create an ideal environment for your plants, you should do some research. This brings us to the question, what’s the best-led setup for 4×4 grow tent? Before you consider the best-LED lights, you should examine the size of:


At the very basic, you should identify the best tent. Since they are compact, you don’t need additional space in your home. You should ask yourself, how many planting pots do you have? The more you have, the stronger the light.

Before you make your investment decision, you should consider the materials. High-quality tents are made of reflective material like Mylar. Secondly, you should check the thickness. The ideal thickness is 600D or greater. Thirdly, examine the cord and ducting ports. Since ventilation is paramount for the survival of plants, you may want to verify everything to avoid surprises down the road.

You should do your due diligence by checking reviews from Amazon and other online forums. After that, confirm the durability of the zipper. It should not allow the light to penetrate the tent. Lastly, the tent should have a viewing window. If you open the doors frequently, this could harm the growth of your plants.

Fan & Carbon filter

You should not underestimate the power of an incline fan in your tent. It provides ventilation and controls the internal environment – humidity, temperature, and moisture. Most tents come with a small incline fan. However, you can opt for a fan with up to 6 inches in diameter. This will be enough for your tent.

The filter is a component of odor management and helps you to get rid of impurities. Certain components like fertilizers may emit a foul odor. If you’re not sure of the right size, you should multiply L, W, and H. The number of lights you use will be determined by the available space after you install the fun.

How many plants can grow in a 4×4 tent?

It is tempting to try to fit as many plants as possible into a grow tent, but this would be a serious mistake. The amount of plants that you can fit into your 4 x 4 tent depends on may factors including the types of containers you are using and the size of the plant that you are trying to grow.

Overcrowding your tent can affect the growth of the plants. If you are trying to grow plants from seeds, overcrowding may prevent them from germinating. Each plant needs adequate air, water and light along with the proper nutrients from the soil to help them to grow into healthy adult plants that will flower or yield a crop.

If your grow space is too crowded, leafy plants may sag and wilt and packing too many plants into a small space can cause lack of air circulation that can lead to mold and mildew. Mold and mildew are deadly for plants. If you don’t have enough space for your plants to thrive, then it will be hard to keep them alive. When you think about space, you should think about the size of the leaves on the plant when it

is mature and how much space those leaves will take up. Generally, a 4 x 4 tent can accommodate 10 five-gallon pots or 15 grow pouches. The shape of your container can also have an effect on how many pots fit inside your grow tent.

It is recommended that you leave a two- inch space between containers so that your plants do not suffocate. It can be tempting to try to fit more plants into your grow tent, but since the results can be devastating, it’s best to stay with the recommended plant amount.

How many watts do I need for a 4×4 grow tent?

When it comes to an LED grow light for 4 x 4 grow tent, the best rule to follow is 32 watts for every square foot of space available for growing space. A 4 x 4 tent is 16 square feet, so 16 square feet x 32 watts equals 512 watts required for the tent. Grow tents usually have areas near the top that can accommodate lighting and hold it in place.

The interior of the tent is made from reflective material which helps the plants to get the most light possible. It should be easy to acquire 512 watts worth of lighting. If you can’t find that exact amount, you can round it up to 525 or down to 500. The result is still going to be a productive growing environment that ensures that you will be able to produce healthy plants that yield a fulsome crop.

Final thoughts

If you want to grow your indoor plants, you should invest in a 4×4 tent. Remember to pick a well-built, durable tent that will stand a test of time. Pay attention to the accessories to ensure the healthy growth of plants.