7 Best 600W LED Grow Light (2023 Reviews)


Improve your 2X2 or 3X3 indoor growing experience with a high-quality 600-watt LED grow light.

The best 600W LED grow light is one that features high-intensity LED chips like double-chip or triple-chip LEDs, superior heat dissipation to ensure that the light operates at optimal temperatures, and a double switch design for easy operation.

The choice of 600-watt models is huge on the market, and not every indoor grower knows what to look for.

So, in our top seven selections, we have considered all the important features you would want your 600-watt LED grow light to have.

Top Pick

NAILGIRLS 600W LED Grow Light is our top pick. This new release has taken the market by surprise with its incredible features. It delivers a super bright spectrum along with high PAR outputs for promoting growth in all stages. It is also energy-efficient and easy to use.

The Best 600W LED Grow Lights Are:


This 600-watt new release from NAILGIRLS comes equipped with both Veg and Bloom switches for superior control and higher yields.

Key Features

  • Upgraded dual-chip LEDs
  • Daisy chain design
  • Veg and Bloom switches
  • Cooling-running construction
  • Mounting hardware included

NAILGIRLS 600W LED Grow Light is uniquely designed to boost growth and yields in the shortest time possible. Out of the box, you get the 600-watt lamp, hanging kits, digital thermometer, power cord, adjustable rope hanger, and the user manual.

The unit is easy to set up out of the box. Use the hanging kits and adjustable rope to mount it on the top of your growing space. Adjust the height of the fixture from your plants accordingly. Plug the power cable into the unit and the wall socket.

If the installation process is confusing, you can always use the user manual for guidance. Make sure you check the surrounding temperature using the digital thermometer.

The light features upgraded dual-chip LEDs, which are exceptionally bright and deliver superior PAR values. The light usually undergoes a professional aging test to make sure that the LEDs have a longer lifespan.

This unique model has three modes of operation, Veg, Bloom, and Veg plus Bloom. Turn on the Veg switch to activate the Veg mode for germination and seedling. Turn on the Bloom switch to activate the Bloom mode for flowering and fruiting. Turn both switches on to activate the Veg plus Bloom mode for healthier and bigger yields.

Another good feature of this new release is the Daisy chain function, which allows you to link at least three 600-watt lamps for superior coverage.

What we don’t like about this product is the fact that it doesn’t come with a separate hygrometer.


  • The dual-chip LEDs are very good at saving energy
  • Features both Veg and Bloom switches for added versatility
  • Daisy chain allows you to link multiple units
  • The included fans are quiet-running
  • The light has undergone the professional aging test


  • It doesn’t come with a separate hygrometer


This is a very powerful grow light with a small footprint. It is designed to boost growth while running quietly.

Overall Rating: 5.0

Wills 600-Watt LED Grow Light

This model is one of the most powerful 600-watt LED grow fixtures. It has the ability to daisy chain up to three units together.

Key Features

  • Sturdy metal case
  • Daisy chain function
  • Powerful cooling fans
  • Scientific reflector
  • Double chip ten-watt LEDs

Wills 600-Watt LED Grow Light features a sturdy and durable metal with two high-performance cooling fans. You’ve also got heavy-duty heat sinks for superior heat dissipation. There is an isolated power supply that improves heat dissipation and the lifespan of the fixture.

The lamp is powered by ten-watt double-chip LEDs, which is great because they are brighter compared to average LEDs. The LEDs deliver a powerful full spectrum that is made up of IR, warm white, cool white, red, and blue wavelengths to ensure that the plants grow healthy in all stages.

The brand has provided recommendations for grow light distance. For germination, turn on the Veg switch and hang the fixture at about twenty-four to thirty inches above the canopy. For seedling, turn on the Veg switch and hang the light at twenty-four inches above the canopy. For flowering, turn both switches on and hang the light approximately eighteen to twenty-four inches above the plants. For fruiting, turn both switches on and hang the fixtures at about twelve to eighteen inches above the canopy.

If you have a large grow room, you can increase coverage and PAR output by connecting up to six units in parallel. The power cord is tangle-free, so you should not be worried about messy connections.

But here is the thing, some models may come with flickering or damaged LED chips.


  • Delivers full-spectrum and high PPFD for your plants
  • The metal case is sturdy and very durable
  • Easy to daisy chain up to six fixtures in parallel for added coverage
  • High-performance fans keep the nice and cool all through
  • Three modes of operation for added versatility


  • You can receive a model with flickering or damaged LEDs
  • It may not be a good choice for a 4 by 4 growing space


If superior performance and durability are the most important things you are looking for, then this growing light is the real deal for you.

Overall Rating: 4.6

Hystorm HY 600-Watt LED Grow Light

This is an awesome grow lamp that will deliver superior illumination as well as high PAR values for your 2 by 2 or 3 by 3 growing space.

Key Features

  • 120 to 140 watts true power
  • Double-chip high power LEDs
  • Inbuilt power fan system
  • High condenser lens
  • Light energy saving

Hystorm HY 600-Watt LED Grow Light features high power dual-chip ten-watt LEDs, which is good because they maximize energy efficiency and boost brightness. Each chip is also integrated with a high condenser lens to increase penetrating power.

The fixture has three lighting modes, including red, blue, and red plus blue. The veg lighting, which is activated by turning the Veg switch on is important for the germination of seeds, root growth, as well as bud development. The blooming lighting, which is activated by turning on the Bloom switch helps to suppress extension growth to encourage flowering and fruiting. You can also turn on both red and blue lightings for the full spectrum.

The package comes complete with the grow light fixture, power cord, hanging kits, adjustable rope, and protective glasses. Installing the unit at the top of your grow room or tent is as easy as attaching the hanging kits to the metal hooks and adjusting the grow light distance.

The heavy-duty construction is fitted with two high-performance fans that do a great job of cooling the lamp. You’ve also got high-performing heat sinks for superior heat dissipation when the light runs for longer periods.

What we don’t like about this product is the fact that some models may come with one damaged switch.


  • The integrated LED technology maximizes brightness and PAR output
  • The inbuilt fans are very effective at cooling and quiet-running
  • The full spectrum promotes germination, seedling, flowering, and fruiting
  • High condenser lens improves penetration power
  • The package comes with all the mounting gear you need


  • It is possible to receive a model with one damaged switch


This powerful 600-watt grow light fixture is just what you need to boost your indoor growing for bigger yields.

Overall Rating: 4.6

Gerylove 600-Watt LED Grow Light

Give your indoor seedlings the boost they need to grow into healthy plants with the help of this incredible 600-watt lamp from Gerylove.

Key Features

  • Upgraded dual-chip LEDs
  • Full-spectrum plant growing
  • Veg/Bloom double switch
  • Advanced silent cooling system
  • Wide coverage

Gerylove 600-Watt LED Grow Light is suitable for all phases of plant growth, including germination, seedling, growing, flowering, and fruiting.

The dual-chip LEDs produce full-spectrum lighting (green, blue, purple, orange, yellow, and far-red lights) for superior growth and yields. You’ve got two lighting switches, Veg and Bloom. When you turn on the Veg switch, you will be activating the veg light for boosting photosynthesis and germination. When you turn on the Bloom switch, you will be activating the bloom light for boosting flowering and fruiting.

The brand provides you with some recommendations for the grow light distance from the canopy. During germination, hang the light at 24 to 32 inches. During the growing stage, hang the lamp at 20 to 26 inches. When it’s flowering time, hang the light at 18 to 24 inches.

You will appreciate the advanced cooling system. This unique construction has an isolated power supply, which is good because it improves heat dissipation. It is incorporated with heavy-duty heat sinks and two high-speed cooling fans for superior cooling performance. There is a thickened aluminum plate at the base for added heat dissipation.

What we don’t like about this model, however, is the fact that it may come with damaged LEDs and poorly designed switches.


  • The dual-chip LED technology provides more power and energy
  • The heavy-duty fans, heat sinks, and base plate improve heat dissipation
  • Provides a wider coverage for a 2 by 2 or 3 by 3 grow room
  • The powerful full-spectrum provides sufficient PAR values
  • Comes with a digital thermometer for checking the temperature and humidity


  • Some models may come with poorly design Veg or Bloom switch
  • The package doesn’t include a timer


If you have been looking for a brand that promises quality, high PAR outputs, and bigger yields, look no further than Gerylove.

Overall Rating: 4.6

Vivosun 600-Watt LED Grow Light

Looking for a high-performance option for indoor growing? Look no further than this great 699-watt LED grow light from Vivosun.

Key Features

  • Full-spectrum light
  • Excellent PAR values
  • Usable in every growth stage
  • Great coverage area
  • Mounting hardware included

Vivosun 600-Watt LED Grow Light is fitted with high-intensity LEDs that deliver a powerful full-spectrum and enhanced PAR values for your plants. The high PPFD values mean your plants are getting all the light they need to thrive from germination to bloom. This innovative fixture ensures your plants get more uniform illumination, which prevents stunted growth.

You’ve got excellent air ventilation that is made up of two high-performance fans and big pin-cushion-type heat sinks. This unique system ensures that the light performs stably and runs cool. The advanced cooling system helps to prolong the lifespan of the fixture. The cooling fans produce low noise that doesn’t exceed fifty decibels.

The light floods a 2 by 2 grow room in intense light for superior vegetative growth at grow light distance of 24 inches. The produced light is strong enough to penetrate through a thick canopy.

What we don’t like about this product is the possibility of receiving a model with faulty parts.


  • The silicon base, cooling fans, and heat sinks help with heat dissipation
  • Wires connected to the board are double-insulated to prevent short circuits
  • Low noise cooling fans LEDs
  • The Veg and Bloom switches can be operated independently
  • The grow light is super easy to set up with included gear


  • You can get a model with faulty parts


With this model, you get market-leading PAR output performance. Just make sure you don’t get a fixture with faulty parts.

Overall Rating: 4.6

Phlizon 600-Watt LED Grow Light

Have you been looking for a cost-effective 600-watt LED fixture for your 2 by 2 or 3 by 3 grow room? Look no further than this great model from Phlizon.

Key Features

  • Sunlike full-spectrum
  • Reflector-free design
  • High light and PAR output
  • Low power consumption
  • Daisy chain function

Phlizon 600-Watt LED Grow Light is designed to offer the best performance in a grow room for all the plant growth stages.

Many conventional grow light fixtures are fitted with a spotlight reflector for aesthetic purposes. But this outstanding model from Phlizon is not fitted with an LED reflector because the reflector isn’t heat-resistant. If any short circuits were to occur, the reflector would easily melt and end up burning the LEDs.

This model is not only energy-efficient but also produces less heat compared to conventional MH and HPS lamps. It offers a more comprehensive full-spectrum light that has a wider coverage area. This makes it the perfect choice for a 3 by 3, 3 by 2, or 2 by 2 growing area.

You’ve got two switches on the side of the unit. The Veg switch produces light that is effective for seedling as well as young vegetative growth. The Bloom switch produces light that is suitable for flowering, blooming, and fruiting.

The recommended hanging heights for this light are 24 to 30 inches for germination, 24 inches for seedling, 18 to 24 inches for vegetative growth, and 18 inches for blooming. You can also use the daisy chain function to link several units for a wider coverage area.


  • The unit doesn’t use a reflector, so no burning LEDs
  • It is energy-efficient and generates less heat
  • Veg and Bloom switches support superior plant growth
  • Has a very advanced and effective cooling system
  • Daisy chain connection increases the coverage area


  • You may get a poor quality thermometer


You will be happy with this grow light. The separate Veg and Bloom switches allow you to control the growth stages independently.

Overall Rating: 4.5

HighPAR 600-Watt LED Grow Light

Do you want the highest yields with the lowest power consumption? Then you need this incredible 600-watt grow light from HighPAR.

Key Features

  • Full-spectrum light
  • Double-chip LEDs
  • Dual switch design
  • Strong cooling system
  • Energy-saving

HighPAR 600-Watt LED Grow Light features dual chips, which is good because they are brighter, produce higher PAR outputs, and have a longer lifespan.

Out of the box, you get the light fixture, a seventy-one-inch power cord, and hanging kits. Setting up the unit is easy. All you have to do is attach the hanging kits to the metal hooks and then attach all the hanging kits to the adjustable rope hanger.

This model comes equipped with two switches, one for activating the veg mode and the other one for activating the bloom mode. The veg lighting is ideal for germination as well as the veg stage. The bloom lighting is recommended for flowering and fruiting. You can also opt to turn on both switches when the plants are flowering.

The high-performance lens helps produce a sunlike full-spectrum that is suitable for all indoor plants. The light is usually less harmful to your eyes.

The grow light is integrated with a cascading design that allows you to connect up to four units to increase PAR output as well as coverage area.

The fixture is also fitted with two high-quality high-performance fans and heavy-duty heat sinks for exceptional heat dissipation when the light is left on for extended periods.


  • It is highly energy-efficient compared to conventional units
  • The cascading design allows you to link up to four fixtures
  • Has both the veg and bloom switches for selective operation
  • You get all the necessary mounting hardware
  • Powerful fans and heavy-duty heat sinks improve heat dissipation


  • The unit may come with poor packaging and damaged parts


This is a great LED grow light for the money. It usually generates a sunlike full-spectrum that is not too harmful to the eyes.

Overall Rating: 4.5

Things to Consider When Looking for 600W LED Grow Lights

Here are the most important things to consider:

Size of the Growing Area

The first and most important consideration when buying a 600-watt LED grow light is the size of the growing area. This type of fixture is ideal for a 2X2 and a 3X3 growing area. You can use it in a 4X4 growing space, but the PPFD values in the far ends of the growing space will not be very effective.

Better Heat Dissipation

You must choose a unit that can operate within normal temperatures. It should produce heat, but not too much heat that can easily burn the canopy of your plants. So, make sure the fixture is fitted with at least one high-speed fan and premium quality heat sinks for superior heat dissipation.

Daisy Chain Function

if you have a larger growing space like a 6X6, you can choose a 600-watt fixture that has a daisy chain connection. This will allow you to connect at least three grow lights in parallel to increase the maximum coverage area.

Final Thoughts

The winner of this roundup is NAILGIRLS 600W LED Grow Light. This premium quality light delivers a rich full spectrum that is suitable for a 2X2, 3X3, or 4X4 growing area. The fixture has two high-speed fans for superior heat dissipation and heavy-duty heat sinks for enhanced airflow. The daisy chain connection allows you to link several units for wider coverage. Veg and Bloom switches allow you to control different growth stages independently.

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