Best 100W Led Grow Lights Review

You may be wondering: “Why should I use a 100W LED grow light?”

100 Watt LED grow light are one of the cheapest LED grow lights in the market. You should, however, not dismiss them due to their price. The lamps provide a similar or better light frequency than traditional grow lights of higher wattages. They are great options for cannabis growers with a minimal budget but still want to create an excellent growing environment for their plants.


Here are some of the best 100W LED Grow lights that you can find in the market today.

Our Top Pick 100W Led Grow Lights

Haus Bright 100W LED Grow Light Bulb

-$5.00 OFF Haus Bright LED Grow Light Bulb - for Indoor Plants Full Spectrum Lamp | Seed Starting, House, Garden, Vegetable, Succulent, Hydroponic, Greenhouse Growing | 100W E27 (Original)

The Haus Bright 100W LED Grow Light Bulbs will provide you with the results you want at a fraction of the cost. The grow light delivers a full spectrum light to your plants. You do not need to use more than one grow lamp for the different stages in your cannabis growth.

It uses only 20W but produces a power equivalent to 100W of an incandescent bulb. You can, however, increase the power to 300W, 600W, or even 1000W by using several bulbs together. The heat it produces is very minimal.


  • It is cheap
  • It is energy efficient helping you save on your utility bills
  • It provides a full spectrum light
  • It does not produce a lot of heat
  • The lamp is easy to install
  • The bulb is a product of Haus Bright, which is reputable for providing top-quality lighting products


  • It only facilitates a small, growing area. If you want to cover a large grow tent, you will have to use several bulbs to deliver the right results.


The Haus Bright 100W bulb can provide your plants with a full spectrum light while using only using a small amount of power. The lamp can last for a very long time since it does not produce a lot of heat.

HighydroLED 100W Led Plant Grow Light Bulb 2 packs

[Pack of 2]100W Led Plant Grow Light Bulb, Full Spectrum 150 LEDs Indoor Plants Growing Light Bulb Lamp for Vegetables Greenhouse and Hydroponic, E26 E27 Base Grow Light Bulbs, AC 85~265V

The HighydroLED 100W Led Plant Grow Light Bulb delivers a full-spectrum light to your plants. The lamp contains 100 LEDs producing the red light, 35 LEDs giving blue light, 10 LEDs producing white light, and 5 producing Infra-red rays. The light aids in the healthy growth of your cannabis plants.

It also increases their photosynthetic efficiency while supporting them from the germination phase to the flowering stage. The lamp produces a lumen of 4000 to 5000k and can last for up to 50,000 hours while in operation. It uses only 20W to power the bulb.

The grow light bulb has a high quality aluminum radiator shell that helps to maintain the appropriate temperature for good plant growth.


  • It is very cheap
  • It is energy efficient as the bulb utilizes only 20W to power the lamp.
  • It has a cooling mechanism that helps it to regulate the heat
  • It can last for a long time, close to 50,000 hours while operational
  • It provides a full spectrum light doing away with the need to use more than one grow light in your grow area.
  • The light bulb is lightweight and easy to install.
  • It is beneficial in its operations


  • The light is quite bright and may hurt your eyes


LEDs are well known to produce a lot of heat. Even though the HighydroLED 100W is small, it has a design that helps to maintain the temperature of the lamp. It, therefore, guarantees that it will continue to feed your plants with the right light spectrum for a long time.

Outcrop Innovations 100w Indoor LED Grow Light Bulb

The Outcrop Innovations Indoor LED Grow Light Bulb is one of the best 100W grow light bulbs. It has 150 LED chips that produce a full spectrum light. The lamp is custom made to improve the photosynthesis of your plants.

It ensures that the light spectrum provided works during the production of chlorophyll and the flowering stage. The lamp has its internal cooling system that helps to get rid of excessive heat in your grow room. It does not consume a lot of power. It only uses about 23 watts to power the 100W device. The grow lamp has a lifespan of 20,000 hours of continuous use.


  • It has a long life period of about 20,000 operational hours.
  • It is energy efficient as it uses only a small amount of power to run the grow lamp.
  • The grow light provides a full spectrum light to your indoor plants
  • It comes with a three-year warranty.
  • It will help boost the growth of your plants and deliver a high yield.
  • It is lightweight, compact, and portable.


  • It is not waterproof


The Outcrop Innovations 100W LED Grow Light is both practical and efficient. It provides your plants with a light spectrum that leads to the rapid growth of your plants. You can position it anywhere in your grow room since it is lightweight and portable.

CF Grow Waterproof 100W LED Grow Light Full Spectrum

One of the top low-budget grow lights that you can find in the market today is the CF Grow 100W LED Grow Light Full Spectrum. It is highly popular amongst cannabis growers that want to save on cost. One of its most admirable qualities is its waterproof nature. The cf grow light came into the market after years of research and experimentation.

It has the capability of operating in a very humid or even wet environment. Wet conditions do not make the light malfunction or short circuit. The grow light provides an intensity of light that is similar to that of a 150-watt HPS/MH grow light. The CF Grow lamp does not consume a lot of power as it uses only 50w.

Since there is an intelligent control heat dissipation inside the body of the lamp, you do not need to worry about high temperatures. It ensures that the temperature of the bulb remains lower than 65 degrees Celsius. The grow light does not use fans to cool it. Therefore, it is noiseless and suitable for working in an indoor setting.


  • The grow light provides a full spectrum light
  • It is waterproof
  • It can last for about 50,000 hours while in operation
  • The lamp does not make noise since it does not have fans
  • It does not emit a lot of heat due to the intelligent control in the lamp
  • It comes with a two-year warranty


It does not tell of the coverage area the lamp can cover


The CF Grow Waterproof 100W has the edge over other grow lights since it is waterproof. You can, therefore, use it not only indoors but outdoors. Its two-year warranty gives you the confidence to purchase the grow light.

Venesun 100W LED Grow Light

The Venesun 100W grow light stands out from many other indoor grow lights. The lamp can provide a specific light spectrum for each stage of your cannabis plants. The grow light delivers a nine-band spectrum in a very effective way to your plants. It supports the plants from the seedling stage to vegetative and, finally, the flowering phase.

The lamp has a diode on every LED. It helps to prevent one defective LED from affecting all the rest. It has reflective cups at a 60-degree angle that help in the controlling of light in a specific area. It also helps to save power by 35 percent. The lamp allows for the remixing of light spectrums to create a better light spectrum and get supplemental effects from the plants. It does not pollute the environment by offering too much glare from the light.

The grow lamp is very efficient as it can accelerate the growth of plants in your indoor garden. It rapidly increases the health of a plant and develops your plant leaves within the first two weeks of using the lights continuously. There is an internal aluminum alloy that helps in heat dissipation from the LED, thereby extending its lifetime.


  • The grow light is lightweight and easy to install
  • It provides a full spectrum light that helps reduce the grow light from using several grow lights
  • It is energy efficient
  • The grow light helps to increase your plant yields
  • It does not make any noise since it does not use fans
  • It has a lifetime of 50,000 hours while in operation


  • You can only use it in an indoor environment since it is not waterproof
  • It produces a very bright light that may be blinding to the eye


The Venesun 100W grow light has a design that aids in creating proper growing conditions for your plants. It will support your plants through all the stages without using a lot of heat. You can, therefore, save on your power bill.

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Summing up

The 100W LED grow light is a solution to cannabis growers who want to minimize their daily operational costs. The bulbs consume a small amount of power. However, it can deliver a light intensity of 100W to your plants.

If you have a big grow room, you can join the together to increase the power output. Depending on the number of bulbs you use, you can get a power of 300W, 600W, or even 1000W.

The bulbs are small, and therefore do not have fans, which makes them suitable for indoor use. You can use them for a very long time as they have long lifespans.

100W LED Grow lights have a lot to offer to cannabis farmers, regardless of the use. With the continual advancement in technology, price is no longer an issue. You can readily find LED grow lights to create a suitable environment for your cannabis plants at low costs. You can then consider using one or several 100W grow lamps depending on the size of your grow area. The lamp will help you create a suitable environment for your cannabis plants.

5/5 - (3 votes)

Bowden draws from over a decade of home growing experience as well as consulting for small-scale and hobbyist-level growers. He has written hundreds of articles, thought pieces, and tutorials about growing cannabis at home

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