Best COB LED Grow Light 2020 For Indoor Plants-2020 Update
WHAT IS A COB LED GROW LIGHT?
Let’s start by breaking down each part of this grow light that’s still relatively new on the market. There are LED grow lights, and then there’s the COB part of the light. You may be familiar with LEDs and why they’re great to use for simulating sunlight, but let’s go over that, too.
LEDS
Typically, LEDs used as grow lights for indoor gardens include an array of colors to help mimic that of sunlight. So, plants get a spectrum of red and blue lights, along with green sometimes (these sometimes appear white). You may have seen these spread out in grow lights that are large with each individual LED encased in a tiny bulb.
COB
This stands for “chip on board,” and it’s a way of clustering LEDs in a concentrated area. When it’s turned on, it looks like a single light, rather than an array of tiny lights like a spider web. These lights are usually housed in ceramic, copper, or aluminum, which acts as a heat sink to help dissipate heat generated by all those little lights.
FANS
Most COB LED grow lights include fans because they’re necessary – the heatsink isn’t enough to quickly dissipate the heat produced. These fans help protect the life of the LEDs, and they help reduce the heat your plants will feel when they get close to those lights.
Advanced Platinum Series 380w LED Grow Light
In previous years, our overall Editor’s Choice went to PlatinumLED’s Platinum Series P300, 300W. We still love it, it’s a great light. But for 2019 we’re going with the Advanced Platinum Series P4-XML2 instead. For two reasons:
Once again, the makers have outdone themselves with their new lighting system. As with last year’s improvement you can’t go wrong with it but if you’re after the best on the market you really need to choose this.
A majority of our readers do smaller grows (600W HID equivalent or below). This is why we went for this compact light. You can go for larger models from this series or just expand your grow with by adding more units.
OK then. What’s so great about the Advanced Platinum Series P4-XML2?
This unit can comfortably cover a maximum grow space of 4′ x 4′, with core coverage of 3′ x 3′—or 12 to 16 plants. This is more than enough for home growers in most U.S. states.
PAR is the highest for any other LED grow light.
PROS
The sheer quality of the LEDs themselves: American-made 10W CREE XML single chip diodes combined with 3W Bridgelux blue and white diodes. The wavelengths produced are 100% usable by chlorophyll. This is a serious improvement on the product we reviewed as the best last year.
US made, high intensity LED drivers to maximise output
A fully programmable system for all stages of growth from seedling to flower.
An advanced lens focusing system over the 4 arrays that includes a 120 degree convex lens over the CREE diodes to optimize light performance
A 12 wavelength spectrum from low frequency UV to high IR, to give your cannabis every kind of light it needs for big yields and dense, potent, flavorful buds.
Three light settings for vegetative, flowering and a boost mode that can be used while you work on the grow.
Rated at 93 watts for vegetative stage and 180 watts for flowering, this is a very efficient grow lamp. It replaces a 600W HPS system
Has a 3’X3′ coverage for core bloom stage and a 4’X4′ coverage for veg stage, penetrating up to 18 inches
5-Year Warranty, 90-day Money Back Guarantee, hassle-free returns
US Sales and Support staff
CONS
Well worth the money, but look elsewhere if you’re on a tight budget.
If you want a fully programmable/customizable spectrum, this isn’t for you. (Keep reading for our recommendations.)
Phlizon COB Series 2000W LED Plant Light
The Phlizon 2000W COB LED grow light pictured here is one of 3 (at the time of writing) Phlizon lights. They also make a 1000W and a 3000W.
Their wattage figures are way off (read my complete Phlizon review for more on that), but basically, the 1000w fixture is equal to the Optic 2, the 2000w is equal to the Optic 4 and the 3000w is equal to the Optic 6.
And when I say equal, they are virtually identical in terms of specs and performance. The one major difference is price: Phlizon lights cost about half as much as their Optic equivalents.
In short: they are amazing lights. The best on this list. A large reason for that are the high-quality CREE chip-on-boards, which you would not expect on a budget light.
For this brief review, I focused on the 2000w version, since it is closest in specs to the other lights on this list. I gave that light a Grow Light Info rating of 9.6 out of 10 (or 4.8 out of 5). All other Phlizon lights have the same rating.
The 2000w Phlizon COB grow light has the highest output of any light on this list, with a PAR reading of over 2000 umol/m²/s dead center at a height of 18 inches. At 24 inches, it gives you 1561 umol/m²/s.
The power usage to achieve that is only 451w. In terms of HID lighting, it is about equivalent to a 800 watts of HID light. It can cover a 4 by 4 foot area during flowering, though I would keep the area closer to 3×3 for maximum intensity. The expected lifespan is 50,000 hours.
The spectrum on this light is great for every stage of growth. It has two warm white and two cool white 50w COBs that combine with a mix of 10w red, blue, white, UV and IR diodes to give you a full spectrum light with two peaks in the red range and one in the blue, plus a large amount of green and yellow light. This is the best spectrum for plants.
This LED grow light does have a switch for veg/bloom and a second switch to turn the COBs on or off, which means you can cut down on power costs when your plants don’t need the full output (during vegging, for example).
When you buy this COB LED grow light, you also get a set of hangers and adjustable rope ratchets, grow light glasses and a thermometer and humidity monitor. You also get a power cord and your light is covered by a 2 year warranty and a 30 day return policy. This is the best COB LED grow light value on the market.
Pros
High quality CREE COB LED grow light diodes: the industry standard
Most powerful light on this list (2161 umol/m²/s at 18 inches)
Great full spectrum light for plants in all stages of growth
4 by 4 foot coverage is among the largest on this list (though 3×3 gives max intensity)
2 year warranty
Cons
More expensive than most other lights on this list
Heavier than most other lights on this list
ECO Farm 800W X8 PROFESSIONAL COB LED GROW LIGHT
And now, the time comes to review one of the top-notch COB LED Grow light which is available in the market and currently rocking on the floor.
This COB LED Grow Light nowadays become a point of discussion in various forums and between professional growers.
So, now let’s move forward to our one of the Best COB LED Grow Light Review and explore all the good about it.
Same as its both twin sisters this Grow Light has similar body structure and stability of working.
The only difference in this grow light is that it has more ability to perform better than both the grow lights that are being reviewed already.
This grow light produces 12 band spectrum light with UV and IR. The spectrum that’s being covered by this grow light is ranging between 380nm – 760nm.This grow light comes with two dimmers where you can dim this light from 0% to 100%.
At less energy consumption this grow light produces the brightest light possible. Brightness generated by this grow light is 15-30% more than all other normal LED grow lights.
A highly effective working rate of LED Drivers makes this grow light reliable for the long run too.
This X series of ECO Farm is one of the advanced levels of grow light that is available on the market.
It helps your plants to provide you with heavier yields at the time of harvesting. This grow light works at its best during bloom phase of your plants.
This grow light comes in the dimensions of 27” x 12” x 3”. And it weighs around 20 pounds.
With above-mentioned dimensions, this grow lights covers around 4’ x 6’ of growing space from the height of 24”.
This grow light is designed with 95 LEDs of 5W each and 4 COBs of 100W each. Combination of this power pack makes this grow light one of its own kind.
This COB Grow Light by ECO Farm produces 800W HID Equivalent light while it only consumes 420 ± 10W of electricity for its operation with 100% brightness. And, during vegetation phase this power draw can be reduced up to 220W.
ECO Farm offers an incredible warranty period for this beautiful grow light.
Pros:
Full spectrum light
Marvelous pink spectrum for Bloom phase.
Value for money product.
Extreme Brightness
User-Friendly Design
Less Power Consumption
Heavier Yields.
Cons:
Extreme Bright (Can’t be stared directly)
Let’s start by breaking down each part of this grow light that’s still relatively new on the market. There are LED grow lights, and then there’s the COB part of the light. You may be familiar with LEDs and why they’re great to use for simulating sunlight, but let’s go over that, too.
LEDS
Typically, LEDs used as grow lights for indoor gardens include an array of colors to help mimic that of sunlight. So, plants get a spectrum of red and blue lights, along with green sometimes (these sometimes appear white). You may have seen these spread out in grow lights that are large with each individual LED encased in a tiny bulb.
COB
This stands for “chip on board,” and it’s a way of clustering LEDs in a concentrated area. When it’s turned on, it looks like a single light, rather than an array of tiny lights like a spider web. These lights are usually housed in ceramic, copper, or aluminum, which acts as a heat sink to help dissipate heat generated by all those little lights.
FANS
Most COB LED grow lights include fans because they’re necessary – the heatsink isn’t enough to quickly dissipate the heat produced. These fans help protect the life of the LEDs, and they help reduce the heat your plants will feel when they get close to those lights.
In previous years, our overall Editor’s Choice went to PlatinumLED’s Platinum Series P300, 300W. We still love it, it’s a great light. But for 2019 we’re going with the Advanced Platinum Series P4-XML2 instead. For two reasons:
Once again, the makers have outdone themselves with their new lighting system. As with last year’s improvement you can’t go wrong with it but if you’re after the best on the market you really need to choose this.
A majority of our readers do smaller grows (600W HID equivalent or below). This is why we went for this compact light. You can go for larger models from this series or just expand your grow with by adding more units.
OK then. What’s so great about the Advanced Platinum Series P4-XML2?
This unit can comfortably cover a maximum grow space of 4′ x 4′, with core coverage of 3′ x 3′—or 12 to 16 plants. This is more than enough for home growers in most U.S. states.
PAR is the highest for any other LED grow light.
PROS
The sheer quality of the LEDs themselves: American-made 10W CREE XML single chip diodes combined with 3W Bridgelux blue and white diodes. The wavelengths produced are 100% usable by chlorophyll. This is a serious improvement on the product we reviewed as the best last year.
US made, high intensity LED drivers to maximise output
A fully programmable system for all stages of growth from seedling to flower.
An advanced lens focusing system over the 4 arrays that includes a 120 degree convex lens over the CREE diodes to optimize light performance
A 12 wavelength spectrum from low frequency UV to high IR, to give your cannabis every kind of light it needs for big yields and dense, potent, flavorful buds.
Three light settings for vegetative, flowering and a boost mode that can be used while you work on the grow.
Rated at 93 watts for vegetative stage and 180 watts for flowering, this is a very efficient grow lamp. It replaces a 600W HPS system
Has a 3’X3′ coverage for core bloom stage and a 4’X4′ coverage for veg stage, penetrating up to 18 inches
5-Year Warranty, 90-day Money Back Guarantee, hassle-free returns
US Sales and Support staff
CONS
Well worth the money, but look elsewhere if you’re on a tight budget.
If you want a fully programmable/customizable spectrum, this isn’t for you. (Keep reading for our recommendations.)
The Phlizon 2000W COB LED grow light pictured here is one of 3 (at the time of writing) Phlizon lights. They also make a 1000W and a 3000W.
Their wattage figures are way off (read my complete Phlizon review for more on that), but basically, the 1000w fixture is equal to the Optic 2, the 2000w is equal to the Optic 4 and the 3000w is equal to the Optic 6.
And when I say equal, they are virtually identical in terms of specs and performance. The one major difference is price: Phlizon lights cost about half as much as their Optic equivalents.
In short: they are amazing lights. The best on this list. A large reason for that are the high-quality CREE chip-on-boards, which you would not expect on a budget light.
For this brief review, I focused on the 2000w version, since it is closest in specs to the other lights on this list. I gave that light a Grow Light Info rating of 9.6 out of 10 (or 4.8 out of 5). All other Phlizon lights have the same rating.
The 2000w Phlizon COB grow light has the highest output of any light on this list, with a PAR reading of over 2000 umol/m²/s dead center at a height of 18 inches. At 24 inches, it gives you 1561 umol/m²/s.
The power usage to achieve that is only 451w. In terms of HID lighting, it is about equivalent to a 800 watts of HID light. It can cover a 4 by 4 foot area during flowering, though I would keep the area closer to 3×3 for maximum intensity. The expected lifespan is 50,000 hours.
The spectrum on this light is great for every stage of growth. It has two warm white and two cool white 50w COBs that combine with a mix of 10w red, blue, white, UV and IR diodes to give you a full spectrum light with two peaks in the red range and one in the blue, plus a large amount of green and yellow light. This is the best spectrum for plants.
This LED grow light does have a switch for veg/bloom and a second switch to turn the COBs on or off, which means you can cut down on power costs when your plants don’t need the full output (during vegging, for example).
When you buy this COB LED grow light, you also get a set of hangers and adjustable rope ratchets, grow light glasses and a thermometer and humidity monitor. You also get a power cord and your light is covered by a 2 year warranty and a 30 day return policy. This is the best COB LED grow light value on the market.
Pros
High quality CREE COB LED grow light diodes: the industry standard
Most powerful light on this list (2161 umol/m²/s at 18 inches)
Great full spectrum light for plants in all stages of growth
4 by 4 foot coverage is among the largest on this list (though 3×3 gives max intensity)
2 year warranty
Cons
More expensive than most other lights on this list
Heavier than most other lights on this list
This COB LED Grow Light nowadays become a point of discussion in various forums and between professional growers.
So, now let’s move forward to our one of the Best COB LED Grow Light Review and explore all the good about it.
Same as its both twin sisters this Grow Light has similar body structure and stability of working.
The only difference in this grow light is that it has more ability to perform better than both the grow lights that are being reviewed already.
This grow light produces 12 band spectrum light with UV and IR. The spectrum that’s being covered by this grow light is ranging between 380nm – 760nm.This grow light comes with two dimmers where you can dim this light from 0% to 100%.
At less energy consumption this grow light produces the brightest light possible. Brightness generated by this grow light is 15-30% more than all other normal LED grow lights.
A highly effective working rate of LED Drivers makes this grow light reliable for the long run too.
This X series of ECO Farm is one of the advanced levels of grow light that is available on the market.
It helps your plants to provide you with heavier yields at the time of harvesting. This grow light works at its best during bloom phase of your plants.
This grow light comes in the dimensions of 27” x 12” x 3”. And it weighs around 20 pounds.
With above-mentioned dimensions, this grow lights covers around 4’ x 6’ of growing space from the height of 24”.
This grow light is designed with 95 LEDs of 5W each and 4 COBs of 100W each. Combination of this power pack makes this grow light one of its own kind.
This COB Grow Light by ECO Farm produces 800W HID Equivalent light while it only consumes 420 ± 10W of electricity for its operation with 100% brightness. And, during vegetation phase this power draw can be reduced up to 220W.
ECO Farm offers an incredible warranty period for this beautiful grow light.
Pros:
Full spectrum light
Marvelous pink spectrum for Bloom phase.
Value for money product.
Extreme Brightness
User-Friendly Design
Less Power Consumption
Heavier Yields.
Cons:
Extreme Bright (Can’t be stared directly)
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