The Top 5 Best COB LED Grow Lights for Every Grower

As a grower you're always on the lookout for the best and brightest when it comes to new grow light technology. A good source of light is the best investment you can make for big healthy plants and huge yields. That's why you should be looking at COB LED grow lights, they don’t only blow traditional HPS  bulbs out of the water, they’re also a big step up over standard LEDs.

COB (Chips on Board), is a new technology of LED packaging for LED light. Multiple LED chips are enclosed together as one lighting unit. When turned on, they look like a single light source instead of multiple individual lights. Slowly but surely, these COBs are taking the grow light market by storm.

The main advantages of COB LED grow lights over regular HID and standard LEDs are:

• Improved electrical efficiency so you save energy and reduce power costs.
• Highest usable lifespan of any grow light technology so you won't be replacing them any time soon.
• High Color Rendering Index (usually over 80) and broad spectrum for large healthy plants.
• High quality COB LEDs will outperform HID technology at the same power consumption.

Here are our top 5 COB LED grow lights recommendations so you can finally replace your big, bulky, and hot HID grow lights.

1) Optic 6 COB LED Grow Light

First up is one of the newest and most affordable COBs on the market, the OPTIC 6 COB LED Grow Light.

Wattage: 620 watts

Cost: $749

Recommended Coverage Area:

• Veg: 5' x 4' (Max 6' x 5')
• Flower: 4' x 4' (Max 5" x 4')

The Optic 6 comes with a mix of three 3000k COBs and 3 of 5000k COBs for an even full spectrum for your plants. It's a full cycle COB LED grow light designed to be able to grow from seedling through flowering with the most efficient spectrum at every point along the way.

The 3000k COBs add a lot more red to the overall spectrum which gives it amazing capabilities in flowering.The secondary diode array combined with the COBs produces a maximally efficient spectrum and high quality glass lenses magnify PAR output by up to 200%.

2) Amare SolarECLIPSE 450 COB LED Grow Light with UVB

Wattage: 450 Watts

Cost: $1145

Recommended Coverage Area:

• Veg: 4.5' x 4.5'
• Flower: 4'x 4'

Amare uses the latest LED technology to provide an intense, uniform, and natural white light for your plants for every phase of growth. Amare is one of the most reputable brands around and their track record of success has given them a large loyal fanbase. This is one of the highest quality COB grow lights out there.

Some unique features of this light:

• COB Technology gives a full white light spectrum ranging from 410nm to 760nm.
• Integrated UVB bulb to maximize late stage bloom resin production.
• Dual operating modes for Veg and Bloom.
• Modular Arrangement gives you the flexibility to start small and expand later.
• Removable lens allows you to focus intensity where you need it.
• Quiet fan and oversized heat-sinks mean it's always running cool.

3) Mars Hydro COB 100W LED Grow Light

Wattage: 100 Watts

Cost: $232.99

Recommended Coverage Area:

• Core coverage: 2.5'x2.5'
• Max coverage: 4.5'x4.5' (veg)

If you’re a first-timer for COBs or just want to get your feet wet before diving in with something bigger, the Mars Hydro COB is a great place to start. It works well for a single plant or a mother plant so you can try out how you enjoy the COB at a very affordable price.

It offers complete protection against particles and water so it can handle any grow environment.

4) Cirrus 1K LED Grow Light

Wattage: 1000 Watts

Cost: $999.00

Recommended Coverage Area:

• 4.5' x 4.5'

This innovative addition to the Cirrus line is the highest yielding LED grow light in its price range. The Cirrus 1K utilizes full-spectrum driverless COBs paired with high performance heat exchangers. This cutting-edge design allows for greater cooling, light-output, and efficiency.

It is truly one-of-a-kind with a 1000 watt power draw for less than $1000.

5) Optic 3 Dimmable COB LED Grow Light

Wattage: 170 Watts

Cost: $499.00

Recommended Coverage Area:

• Vegetative: 4' x 4'
• Flower: 3' x 3'

Another great option from Optic LED, the Optic 3 is the only light in this lineup that can be fully controlled (timing and dimming) by remote control. If you’ve got a multi-light setup the remote can be a huge time saver. The American made CREE CXB3070 COB is specifically designed for horticultural lighting. It gives the same full spectrum light as the Optic 6 in a smaller package.

A unique, toughened, and ultra-clear optical lens guarantees high light transmittance up to 97% - no energy waste!

COB LEDs have quickly gone from a new, untested technology only usable by people willing to build their own grow lights to a mature product that offers some of the best light available for your plants. You get stronger canopy penetration and greater efficiency than a traditional LED grow lights plus none of the heat and energy issues of HID bulbs

COBs used to be out of the price range of most growers, but now that they’re more affordable it’s a great time to jump in a test them out. Once you do, you won’t be going back to your old lights!

You can see our whole collection of COB LED grow lights here.

If you have any questions, don’t hesitate to contact us. Whatever your growing situation or experience level, it is our pleasure to help you grow! 

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