Best Selling MarsHydro Led Grow Lights 2019

Reviews & Comparisons

Planting indoor plants can be a much easier task with a grow light. LED grow lights make sure the indoor plants have a strong growth at all times. This way you can not only save your money and enjoy an organic crop but may also later extend your production line.

LED grow lights are the excellent alternative light source for the plants throughout the year and especially winters where you barely get to see the sun. The most desired lights by expert hobbyists and professional indoor gardeners are the MARS Hydro LED light.

Many of the professional growers call it as one of the best light brands for cannabis and marijuana’s. In our test also, we found that almost all the variety of MARS Hydro lights go well with marijuana and cannabis. So, you can opt for any of it if you are going to grow the same.

Down below you will the different varieties of MARS hydro LED grow lights along with MARS hydro LED reviews available in the market to help you get a productive farming experience.

Review Summary

MARS HYDRO Led Grow Light

MarsHydro PRO II

Rated by: Julian H

This is one of the best model from MARS. It is the choice of expert indoor growers and hobbyists who have taken indoor farming to professional levels especially who are cannabis or marijuana growers.

Mars Hydro Pro II Epistar 1600W is an excellent light for covering a large growing area. It can cover a flowering area of 4.5ft*4.5ft and a Vegetative area of 6.5ft*6.5ft. The light has 350 pieces of LED with each having a power of 5watt. We tested the light and found out that it justifies its said PAR value of 1845umol when hung at 18 inches.

Further, the light has a powerful full spectrum. It produces more red and blue PAR per watt for better yield, higher quality, and low power consumption. For its low power consumption, horticulturist recommend this light for professional growers. In spite of the low consumption, it gives maximum light intensity and robust plant growth.

This model is the upgraded model from MARS hydro with upgraded power supply, fans and Cree and Epistar chips. There is also a modification done in the reflector cup to give 100% output. All these modifications have not only enhanced the quality of light but also aids in full spectrum to balance out the PAR/lumen output and coverage.

Moving on to its operation, you just need plug it on and hang at a desirable distance from your plants. We recommend it to hand at 12-18 inches during the blooming phase, 18-24 during the growth, and 24-30 inches during speeding. Further, there are separate switched for the vegetative and blooming stage. Another great feature are the U-connectors that lets you connect multiple lights together if you have a large grow area.

Lastly, the entire light ETL certificated and plug with VDE and UL Certification wires. Moreover, you get a three years warranty in case you face any issue during this time the company will repair it for free.


  • Full spectrum: 440nm, 460nm, 630nm ,660nm,730nm, 2700k-3000k,IR
  • Vegetative and blooming switch
  • 320 LED pieces
  • 1600 watt power
  • Comes with 3-year warranty and 30 days money back guarantee

Things we like

Review Summary

MarsHydro LED Grow Light 300W

MarsHydro 300W

Rated by: Julian H

We recommend this light to someone who is new to indoor growing or to someone who wants to cover a small specific area of plants. They are budget-friendly and can be a good option if you are just going to start growing marijuana, cannabis, or other indoor plants.

Mars hydro 300watt LED grow light is another amazing light for almost everyone. It is a great light to cover a growing area of 2*2 inches. But if you have a larger area, you can always pair two-three lights together to cover the entire area.

Mars Hydro 300watt is equipped with 60 pieces of 5watt LED lights. Further it cover, the full spectrum with more red and blue light. In our test, we found out that the PAR value of this light when hung at 18 inches is 445umol. Thus, this light does justice to vegetables, flowers, hydroponics, soil plants, and for weeds like marijuana and cannabis.

Further, what more we liked is the cooling system of this light. It has an integrated circuit board, heat sink, and heat dissipating fans. All these features makes sure that the light does not produce too much when in operation.

We also found that the light works on a low power supply, it won’t consume too much light like other HID/HPS/fluorescent lights take. So, be rest assured with this your electricity bill won’t shoot much instead you can take it indoor growing as a professional business once you learn the tactics of growing.

Lastly, you get a 3 years whooping warranty. So, in case of any issues you can get free hands -on service by the company technicians.


  • Full Spectrum: 430-440nm, 450-475nm, 620-630nm, 650-67-nm, and white light
  • Has 60 LED pieces of 5 watt
  • Produces a PAR of 450umol
  • Comes with 3 years warranty or 30 days money back guarantee

Things we like

  • Great for new the beginners or for covering a small area
  • Energy efficient
  • Bright
  • Covers the full spectrum

Review Summary

MARS HYDRO Reflector 720W

MarsHydro Reflector 720W

Rated by: Julian H

This is another fantastic make from MARS hydro. This particular panel of LED grow light is considered as one of the most efficient growth and production spectrum offered. For ease of use, the light comes with separate vegetative and flower switches.

MARS hydro reflector is a full spectrum booming light for growing. In addition to tit, it has piece of dim infrared LED bulbs working normally With this you can grow vegetables, flowers, aquatic plants, and weeds like marijuana and cannabis.

Many growers recommend it as one of the best reflector in market for growing weeds. The light exactly mimics the sunlight and takes care of your plant at all the stages from growth to blooming.

The MARS hydro reflector covers a 2'x 4'coverage area at all seedling,growth and flowering stages. It is equipped with several LED lights that have a reflector design. The mars hydro reflector design aids to provide 100% light output by improving the reflection angle along the length and width both to 90 degree and 120 degree. Further, this design makes sure that the light falls evenly on all the parts of the plant.

In our testing we found out that the light is efficient enough to give high PPFD value for higher yields. The PPFD Value at 12" : 1202μmol/s per square, PPFD Value at 15" : 970μmol/s per square, and PPFD Value at 18" : 873μmol/s per square. This value is much more if you compare it with its competitors.

Lastly, you get a three year warranty. So, in case of any faults your light be repaired for free.


  • Full spectrum: 440nm-460nm, 630nm-660nm, 730nm(IR), 2700k-3000k with 2 IR bulbs
  • 720watt power
  • LED pieces with reflector design
  • PPFD is around 900umol/square
  • Comes with 3 year warranty

Things we like

  • Great for weed and vegetable growing
  • Provides even light
  • Covers a decent area
  • Power consumption is low when compared to others

Review Summary

MARS HYDRO Led Grow Light 600W


Rated by: Julian H

This one comes from the very powerful Mars hydro epistar series. We recommend it for someone who have several portion areas to cover. It works well for all kind of indoor farming be it weed, vegetative, or for aquatic plants.

Mars hydro 600 watt led grow light is a standard quality light that figures out all the growing needs. The light perfectly covers a 2'x2.5' growing area when hung at 24" inch height. The light has 120 small pieces of LED light each with a power of 5 watts. We tested and found that the PAR value of this light is 541μmol/s per square at 18 inches.

With its full spectrum the light is sure to fulfill all the needs of the plant at all the stages. We found that penetration power of the light is strong and even. It is because of the newest technology used in the light. The new advancement in the light is the new cup design reflection for an enhanced illumination effect and a higher photo synthetically active radiation.

Another exquisite feature is that on the top of the light there is no glass protection cover. The lights are naked which not only gives higher penetration but, in a way, also reduce the cost. We advise you to be very careful when using this light as it has no covering making the intensity more intense and strong. Always wear protecting glasses when you go in your grow room.

Lastly, you get a 3 years warranty to enjoy free repair service in case of any issues.


  • Full spectrum: 440nm, 460nm, 630nm, 660nm,730nm, 2700k-3000k, IR
  • Veg Switch and Flower Switch
  • There are dim IR led bulbs
  • 3 years warranty

Things we like

  • Penetration and intensity is great
  • Very good for weed growing
  • Longer life span

Review Summary


XML 350

Rated by: Julian H

We recommend this one for someone who is already an expert to indoor farming or is a regular hobbyist. This light can be a good investment if you want take your indoor farming to professional levels. It is good for any type of indoor farming from weed to hydroponics plants.

MARS II Hydro 900 watt mimics the sunlight closely and can be set as per the growth stage of the plant. It has a core coverage area of 3.5ft*3.5ft and amaximum Coverage area of 5.5x5.5ft. The light penetration is super strong and even in the core area.

In our test, we found that 4-6 plants can grow efficiently in this light. Further, it gives a PAR value of 1267μmol/s per square at 18 inches. The LED grow light has 180 pieces of small LED bulb of 5 watt each.

It has a full spectrum with 4 pieces dim IR LED bulb. This kind of spectrum fits to seedling stage, flowering stage, and the growth stage also. In addition to this, it is equipped with newest SMD led for a strong intense light. This also increases the life span of the LEDs and further enhance the growing rate of the plants.

Another exquisite feature of this light are 4 powerful fans. A 900 watt is a high power which generate high amount of heat so to balance it our it has powerful cooling fans. The fans are silent intake/exhaust fans and huge heat sinks to increase the lifespan of the LED grow light.

Lastly, you get a 3 years maintenance warranty to get it repaired for free in case of any faults or defects.


  • Full spectrum: 400-410nm,440-450nm,450-460nm,630-635nm,650-660nm,730-740nm and 2700K-3000K
  • 4 IR bulbs
  • 180 LED pieces
  • Vegetative and blooming switch
  • 3 years warranty

Things we like

  • Penetration is great
  • Runs cool
  • Durable
  • Covers a large area

Review Summary



Rated by: Julian H

This one is one of the newest product from the company offering great variety features. A few professional weed growers suggest it as a good investment f or growing marijuana and cannabis. It is because the light intensity, penetration, and the spectrum is apt for weed growth.

MARS Hydro 1200W Cree is a powerful large panel size light to suffice the light needs for different stages of weed and other indoor plants. The unique large size shape offers a coverage area of 4 x 4 foot space with ease. In our test, we found that it justifies the said PAR value of 2069umol/sec when hung at 12-18 inches, 1659umol/sec when hung at 18-24 inches, and 1420umol/sec when hung at 24-30 inches from the plant.

Further, the LED lights have a reflector cup design, cree chips, and IR tubes to give the highest THC at harvest. 

Like other models, this one also has a full spectrum with more of Red and blue PAR per watt which ultimately aids in higher yields. The light comes without a glass panel to further increase the intensity and brightness and to make the plants feel and grow as they grow in normal sunlight.

Moreover, the light comes with flexible U connectors to connect multiple lights together for someone who has a horizontal or vertical large growing area.

Last but not the least, there are 4 fans, a heat sinks, and outstanding overall ventilation system for a quiet cool grow light experience. Like other grow lights this one also comes with a warranty of 3 years. You can get it repaired for free in case you face any issues with it.


  • Full spectrum: 440nm, 630nm, 660nm, 2700k-3000k, IR
  • Separate vegetative and blooming switch
  • Reflector design and cree chips
  • 3 years warranty

Things we like

  • Excellent for winter light needs
  • Efficient energy draw
  • Reliable product

Review Summary



Rated by: Julian H

If you are looking for a compact unit this can be a good option. In addition to this, it is also a good option if you are practicing indoor farming or if you have a small area to cover.

MARS hydro COB LED grow light for small quantity of plants. It is an intense bulb that can suffice one to plant light needs. The light offers a full spectrum and high lumens as compared to other ordinary indoor plant LED grow lights in this range which emits only blue and red light. The light emitted by this single compact lamp ranges from wavelength of 380nm-780nm. Thus it contains all kinds of light needed for plant growth.

Further, the light has a CREE COB LED design. In this design, there is a one CREE LED 3590 LED light in the centre and few small red and blue CREE LEDs 460/630 and OSRAM 660. 

The only glitch here it does not have any fan so it might dissipate a little of heat. Instead for controlling heat, there are fin heat sinks.

The energy consumption of this light is around 110W±5%. Thus, it can replace well a typical 250W hps or HID grow lights. Be rest assured, as there is low energy consumption it will further cut down your electricity bill and give you profitable indoor growing experience at all times.

Lastly, you get a 3 years authentic maintenance service. The technician will come to your home to repair the light in case of any issues.


  • Full spectrum: 380nm-780nm
  • 300watts
  • One single big bulb in center and few red and blue small lights surrounding it
  • Comes with three-year authentic service warranty

Things we like

  • Works great for small area
  • Wavelength is full unlike other lights of this range
  • Durable

Review Summary

MARS HYDRO 600W LED Grow Light Full Spectrum


Rated by: Julian H

This comes in our list as it extremely cool and quiet functioning light. Now they have also added a few advanced features to improve the overall quality and efficiency of the light.

The MAR ECO 600W LED Grow light has all the necessary feature for growing crops or plants indoor. It is focused with a even par value and utilize superior 12 band full spectrum light with infrared red feature to offer a maximum photosynthesis response. The light is efficient to offer a coverage area of 2.5' X 4 iat 18 inches height.

What we liked in this is the newer innovation which corresponds to give more of red light than other colors. It is because red light is more efficient to give bigger flowers, larger fruit, and higher yields.

Further, we also like the fact that it has an upgraded power switch plus a daisy chain function to allow more convenience to easily manage and operate the indoor plants.

Moving on to its power consumption. Although it gives light equal to 600 watt but with its powerful energy efficient technology it consumes only192W±10%. So, it easily replaces a typical 250W hps or HID grow lights. In our test we found that the PPFD value at 18 inches is around 450μmol/s per square.

Lastly, you will get a 3 years authentic warranty by the support team so you can contact them for any faults or defects and they will solve it promptly.


  • 12 band Full spectrum: 400-410nm,440-450nm,450-460nm,630-635nm,650-660nm,730-740nm and 2700K-3000K
  • 600 watts
  • Two Switches: Veg Switch and Flower Switch
  • 2 pcs dim IR led bulbs
  • Three years maintenance service.

Things we like

  • Strong cooling system
  • Easy operation
  • 70% energy efficient
  • Great for all kinds of crops, plants, or weeds