Best LED Grow Light for 3×3 Tent in 2021-You should know !

If you’re looking to grow your own plants or vegetables, then tents are a great way to go. Not only can you place them anywhere, either indoor or outdoor in protected areas, but they give you a ton of space to place and arrange your plants. Plus, they give you some protection along with additional benefits.

While 3×3 tents are smaller and usually used by beginners, this is a great way to start experimenting with indoor growing. Today we will go over the best LED grow lights for 3×3 tent so that you know which unit is the absolute best to help you start learning how to grow indoors.


01.MARS HYDRO TS 1000W Led Grow Light




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If you are new to (or are already used to) growing plants, and you’re not sure which lights you should purchase, LED’s are a very highly recommended way to go. Are you looking for the best LED grow light for 3×3′ grow tent? There are definitely many more pros than there are cons when it comes to this type of lighting; particularly with the TS 1000 series. But first, why is that? What is the difference between these and CMH lights, anyway?

LED’s run on many hundreds of little lights which are called ‘diodes’, whereas CMH or Ceramic Metal Halide lights use a singular, long tube. Somewhat of a large difference but not the only one. Another difference is that they run at much higher pressures than quartz tubes, which leads us to the second benefit to LED lights – and I’m sure you have most likely already heard this one before at some point in the past few years – LED’s use 40% less energy than traditional bulbs, so you can actually be saving yourself some money as well, and that’s always good news, isn’t it?

The next thing is that while CMH lights do generally cover a wider area (which can actually be quite beneficial), these types of LED lights are also awesome because they produce less heat, which means that you can safely place them closer to your precious babies without worrying about the risk of burns to them. It’s also awesome to note that they don’t have any fans so you can have a nice, quiet grow area where your plants can just quietly do their thing, so that you can do your thing.

Some more positives for LED lights (the TS 1000 series in particular) include that they are lightweight, and that the lights themselves are very bright.

There is a downside in that they don’t, unfortunately, have an on/off button or switch, so you will have to manually plug and unplug them to turn them on and off, but some more good news is that the spectral output can be targeted to only wavelengths that are beneficial to your plants (something the other lights can’t do – just saying) and that kind of makes it okay to have to plug and unplug the cord.

Another downside is that they can be somewhat flimsy, but this in the end comes down to personal preference and whether or not you would find that to be annoying. Perhaps you won’t even find that it’s flimsy at all in the first place. There’s really only one way to find out.

One more positive with this light is that you won’t have to worry ever about changing anything around for the different stages of your plant’s life, because it’s full spectrum and therefore is good for all of your plants developmental stages. So, yay!

So, if you’re looking for the best LED grow light for 3’x3′ grow tent, the TS 1000 series is an excellent way to go and is well worth the purchase.


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02.Phlizon 1200W LED Grow Light

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This is a shockingly powerful LED growth light that does wonders in small spaces. You can easily use it for larger areas, but it truly shines brightest in a 3×3 tent. Let’s start with the basics, being the wattage and required power to keep the unit on.

This growth light has an output of 1200W, which is good for small to medium growth areas. This will ensure your plants get plenty of light without burning them. Not only that, but it does a great job of balancing the power and keeping your wallet nice and fat.

Even though this outputs 1200W, it only requires vey small amount watts to run. This is a fraction of the output, so it’s easily giving you plenty of power while costing very little to operate.

The LEDs are also quite advanced. The majority of growth lights uses 3W or 5W LEDs, which are fine,but far from the best. This unit uses 10W LEDs, which give you a lot more light in a compact package. This truly makes this the best LED grow light for 3×3 tent.

There are 60 full LEDs located on the board, and they are all pumping out a ton of light whenever the unit is on. It has no problem running for 10 to 16 hours a day without fault, plus everything is incredibly compact but super effective. You’ll have no problem providing your whole tent with the required amount of light for your plants.

Not only do you get a lot of light from the small unit, but it also produces light in a full spectrum. If you don’t know, plants don’t just need light for photosynthesis. They need light at specific spectrums. This light ensures that your plants have everything they need to grow.

As a bonus, you get two switches to control whether the LEDs are optimized for regular growth or during the blooming phase. Each one uses different lights and amounts of power. There’s no problem with keeping both on, and this is even ideal in some situations.

Something unique is the addition of a thermometer and humidity monitor. This is easy to setup and keeps track of how hot the tent is and how much humidity is present. This is absolutely essential if you want your plants to grow big and strong, so it’s a nice addition.

Led grow light for 3x3 grow tent infographic
Led grow light for 3×3 grow tent infographic

The included ropes make it easy to install the light, plus they are completely adjustable. You’ll have no problems getting the light positioned properly, especially since most growth tents give you areas for hanging lights.

Speaking of installation, you won’t have to worry about your tent collapsing from excess weight since this unit is surprisingly light. It only weighs about 5 pounds, which ensures that it’s very easy to hold, move and install.

Worried about getting additional lights? Often when you grow out your area you need more light, but don’t worry, you won’t have to chuck this unit to the side. It has a daisy chain outlet that makes it easy to plug in an extension cord and connect it to a new light. You can easily arrange a few lights together.

There are two cooling fans on the back and they are wonderful. They sweep away all the heat to keep this unit cool and within good operating temperatures. Another benefit is that the fans are incredibly quiet, so you’ll hardly even notice them while they’re running.


  • Has a great output of 1200W and only consumes small amount  of power to operate, making it the best LED grow light for 3×3 tent
  • Is surprisingly light at just 5 pounds and has an adjustable rope that ensures you can easily install and adjust this light
  • The included thermometer and humidity monitor is essential and will help your plants grow


  • It doesn’t come with a dimmer function, but with the low power requirements that shouldn’t matter too much


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