Best 100 watt LED Grow Light Reviews

Having a small growing area inside your house can be very convenient, however, for an indoor growing area, you need special equipment. The foremost thing that is needed for indoor growing of plants is a full spectrum grow light. If you have a small operation, a 100 watt LED grow light is probably your best option. 

Especially the LED grow lights that are not only reasonable but also durable and sturdy are the ones you want. In this article, the best 100 watt LED grow light reviews will be covered. This way, you can choose the best 100w LED grow light for your indoor garden.

#6+ Best 100 watt LED Grow Light Reviews of 2019

100w LED grow lightAvg. power drawWaterproofLED technology 
CF Waterproof 100w50 ~ 55 wattYesCOBCheck price
Easy Bright 100w20 wattNoSMDCheck price
Growstar UFO 150w62 wattNoCOB & SMDCheck price
Canagrow Waterproof 100w45 ~ 55 wattYesCOBCheck price
Outcrop Innovations 100w23 wattNoSMDCheck price
LOHAS 100w LED ChipDepends on voltage (100w at 34V)NoCOB ChipCheck price

CF Grow Waterproof UFO 100W

CF Grow UFO Waterproof 100w
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This grows light has been constructed after a decade of research and experimentation. This is why its results are quite satisfactory. The CF Grow Waterproof 100W is made to be waterproof, so in case of high humidity or even a water shower, it will not malfunction or short circuit. 

In addition, the 100 watt LED grow light intensity is comparable to 150 watt HPS/HS light. This is ideal as it gives high-quality results without consuming a lot of energy. The power draw of this light is approximately 50 watt per hour. This is a COB LED grow light.

High temperature and heat dissipation are a big problem in grow lights but this waterproof 100w LED grow light has high-end heat dissipation control. This keeps the temperature of this 100w grow light to 65 degrees Celsius. Because it is such a small light, it does not require any cooling fans. 


  • Waterproof
  • Full spectrum comparable to 150w HPS/HS
  • Lifespan of 50,000 hours
  • Warranty of 2 years
  • Super silent


  • Exact coverage is unknown

Easy Bright 100w LED grow light

Easy Bright 100 watt LED grow light
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This grow bulb is made to help your plants grow 365 days a year. Moreover, it is made with a combination of 150 LEDs. This is not only eco-friendly as it consumes less energy but also durable as compared to a normal filament 100W bulb. 

Since it is a combination of 150 LEDs, this LED grow light produces negligible heat. This way the heat control of your indoor garden is also easier as there is no extra heat emission. 

The LEDs are combined such that it gives a full spectrum range to your plants. As a result, this encourages photosynthesis and helps your plants grow in the best way possible. 

The power draw of this light is super low as it only consumes around 20 watt per hour. You can’t grow more than one plant with this 100 watt LED grow light. Therefore, this is a perfect light for hobby growers. Lastly, it comes with 30 days money back guarantee and 18 months warranty. 


  • Consumes very little energy
  • Made out of 150 LEDs
  • 30 days money back guarantee
  • 18 months warranty
  • Very silent


  • Assembly can be difficult
  • Not waterproof

Easy Bright made this nice video for a quick overview on their 100w LED grow light. Watch it to quickly see all the features of this light in 43 seconds.

Growstar UFO 150 watt LED grow light

Growstar 150w UFO
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The main emphasis was on the quality and safety while constructing this Growstar UFO. It is an economic design that helps save energy and money at the same time. Although it is not exactly a 100 watt LED grow light, this 150 watt light is applicable in the same gardens.

The light includes CREE LED chips, which are quite popular for their growing light quality. It provides a full spectrum light including IR and UV. 

The Growstar UFO 150w is equal to a 150w HPS/MH light. It consists of 28pcs of 5w Bridgelux/Epileds and 1pcs 10w Cree COB. This is quite special for a LED grow light. Not many lights combine the power of COB and Epileds. 

Furthermore, it comes with a built-in cooling system that has passed many temperature tests. Hence, you don’t have to worry about the high temperature ruining your plants. The 150w led grow light gives light at an angle of 90 or 120 degrees. This is usually the perfect angle for penetration and coverage of your plants. The core coverage is about 17.7”x17.7” at 24” height.

In addition, it comes with 30 days money back guarantee and 2 years warranty. This product is also available in a 300 watt LED grow light version. 


  • Eco-friendly
  • Safe
  • Built-in cooling fan
  • Combines the power of COB and SMD LEDs
  • 30 days money back guarantee & two years warranty


  • Can be noisy due to the cooling fan

Canagrow 100w LED grow light

Canagrow Waterproof 100w LED grow light
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This 100 watt LED grow light uses COB flip chip technology. This is more stable and secure as compared to previous technologies that required welding. 

It is fit for indoor as well as outdoor lighting as it is water and dust proof. As a result, it is perfect for plants that need extra light on rainy days. 

The 100 watt LED grow light does not have a cooling fan rather uses a radiating material for keeping the whole system cool. This makes it much quieter than other grow lights. 

All in all, the Canagrow 100w consumes only 45 to 55 watts of energy and provides results similar to a 100 watt HPS/MH grow light. This makes it less expensive even if it is running 24/7. 

Lastly, it comes with 30 days money back guarantee, 365 days technical support and 3 years warranty. 


  • Great customer support
  • COB LED technology
  • Very silent
  • Water- and dustproof
  • 30 days money back guarantee
  • 1 year technical support
  • 3 years warranty


  • Non-informative manual

Outcrop Innovations 100 watt LED grow light

Outcrop Innovations 100w
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This grows light with 150 LEDs is a full spectrum 100w LED light that has a combination of Red, Blue, White, and IR LEDs. It contains 100 red, 35 blue, 10 white and 5 IR LEDs. It uses only 23 watts per hour, which is a tremendously low amount!

The Outcrop Innovations 100 watt LED grow light has a long life and can work for as much as 20,000 hours in one lifetime. 

The temperature control in the grow light keeps the temperature low. It is very easy to use and does not require extensive assembling and setting. 

The 100w LED grow light is ideal for all kinds of plants and comes in a pack of two LED grow bulbs that provide a reasonable footprint. 


  • Perfect spectrum
  • Usable with standard lamp pole
  • 20,000 hours lifespan
  • Durable and sturdy
  • Noisy
  • High-rated on Amazon


  • Not waterproof

LOHAS 100 watt LED Grow Light Chip

LOHAS 100 watt LED Grow Light Chip
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This extremely reasonable and easy to handle 100w LED grow light is actually just a chip. It has 100 watts of power and helps plants grow efficiently. 

Furthermore, it provides 8000 to 9000 lumens of light, which is very good as compared to other grow lights. It is a cool white light that provides the plants with required energy. 

With the help of a converter, you can dim the light as well. However, it does not have an in-built cooling fan or sink. Either does it use any radiating material, so it can get very hot. This is why the chip needs to be assembled on a heat sink or an external fan to keep it cool. 

This COB LED chip is ideal for every experimental grower that wants to run an efficient and small grow operation. For less than $15, you can have your 100 watt LED grow light.


  • Easy to handle
  • Compact size
  • Very good light and exact voltage
  • Dimmable with a converter
  • Super affordable


  • Can get very hot
  • It’s just a chip, you will need additional equipment
  • Not easy to set up


If you are growing your own weed at home or have an indoor garden for any other plant, having a LED grow light is a must. The above-mentioned growing lights are some of the best options in the 100 watt range and will give you the best possible results. 

However, before investing in a grow light, you should look into what kind of spectrum will be ideal for the kind of plants you are growing. In the case of weed, all our best growing lights work perfectly and give the best results. If you have a humidity or water problem, then you should invest in a waterproof and dustproof grow light. Also, if you’re growing hydroponically, this is recommended.

Are you interested in more powerful LED grow lights? Check out reviews of the best 300 watt LED grow lights or the best 600 watt LED grow lights.

Best 100 watt LED Grow Light Reviews
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Best 100 watt LED Grow Light Reviews
We reviewed the best 100 watt LED grow lights available. We tell you which lights are waterproof and what LED techonology is used.
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