The Best 3×3 Grow Tent Reviews

The Best 3×3 Grow Tent

A grow tent is very important for growing plants where you will need to control temperature, humidity, air flow and other environmental factors. For a beginner, we normally recommend starting with a small tent because they are inexpensive and can be assembled quickly and easily. So we suggest you use a 3×3 grow tent to grow your plants, and pair it with a 400W HID using HPS and MH bulbs (a conversation for another day). That’s the perfect starting combination. If you want to grow a lot of plants, then you might want to consider some of the bigger tents. For 3×3 indoor grow tent though, it is enough to allow you to grow around 50 plants. These 50 plants are more than enough for a beginner  to start with, as it won’t be too overwhelming to maintain. For the best 3×3 grow tent, we recommend the CoolGrows 36″x36″x72″ Mylar Hydroponic Grow Tent. Why? Read on to find out.

Main Characteristics

This grow tent uses high reflective and tear-proof mylar to increase the intensity of the grow lights you are using and to retain heat. This grow tent will keep your grow room at the right temperature for your plants to blossom. It uses a 99% reflective mylar lining that any lighting setup of any power configuration very efficient. It also uses 600D material that are tear proof and double stitched to achieve perfect light blocking and keeps the odor locked inside the grow tent. Coolgrows also used thick materials and durable zippers to make this grow tent suitable for long-term use. Thus, it is tear proof and water-resistant. This grow tent also uses metal bars and metal connectors with strong metal poles that have an easy-click connector system.

This 3×3 grow tent is also quite easy to set up. You do not need any tools and the zippers zip easily. It has privacy flaps over the zippers and it actually looks like a wardrobe closet, at first glance because it’s all black. It also includes a removable and water resistant mylar spill tray, hanging bars and filter straps. Lastly, it has an observation window which makes it very easy and convenient to take a look at the growth of your plants without disrupting the temperature.

Pros and Cons


  • Highly reflective
  • Very durable and tough canvas
  • Easy to assemble
  • Great odor control
  • Excellent customer service
  • Inexpensive


  • Have to open it every other day to vent and prevent mold(unless you use an intake and exhaust fan)

The Verdict

With the Coolgrows 3×3 grow tent, you get the best of both worlds. It is both inexpensive and very durable. This combination makes it the perfect choice for beginner growers who want to start growing plants indoors without breaking the bank. This grow tent has excellent build quality and is covered in reflective mylar from the inside. On the outside, this black grow tent is made of 600D double-stitched tear-proof material. Best of all, the supporting poles are made from durable metal and can be easily assembled without the need for specialized tools. The zippers are very sturdy and will ensure proper insulation. The best thing about this 3×3 grow tent is it offers many customization options like installing your own ventilation system. The built-in mesh screens will also prevent insects from entering the grow area. So if you are looking for the perfect grow tent to start with, the CoolGrows 36″x36″x72″ Mylar Hydroponic Grow Tent is a great choice.

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