The Best LED Grow Lights 2018

Looking for an LED grow light? We’ve reviewed all of the best LED grow lights in 2018 so you so you can find the perfect light for your budget and setup.

The Best LED Grow Light 2018

It's pretty simple: light is food for your cannabis plant.

If you want to achieve big yields, you need to feed it high-quality light.

Unfortunately, this is where many new growers fail.

Choosing the right grow light is no easy task. There are literally hundreds of options to choose from and every grow space has different requirements.

So how do you find the right grow light for your needs?

Well, this article should help 🙂

Not only have we explained how you should choose a grow light, we’ve also reviewed the top rated and best selling grow lights of 2018 and picked our winners based on value, functionality, and quality.

The Best LED Grow Lights 2018

These two grow lights are currently our two favourite led grow lights on the market.

Why did we pick two? Because these two lights are so popular that they are out of stock quite often, so if one is out of stock, you can always pick up the other.

The VIPARSPECTRA just beats the PHLIZON to top spot due to the extra power that it outputs ( meaning more penetration and bigger buds ) These two lights offer a grower everything they need to take a seed from germination to harvest and are backed by two very reliable manufacturers. 

We think that a 600W led grow light is the "sweet spot" for an indoor grow of between 1-6 plants, and with LED grow light prices falling all the time, they have now become affordable for even those on a tight budget.

#1

VIPARSPECTRA
Reflector-Series 600w

Dimensions: 15.3 x 12.8 x 3 inches
Veg: 3 sq ft at 32"
Flower: 2sq ft at 24"


Features:
- Replaces a 600w HPS
- Consumes 269 watts
- Daisy chaining ability
- Veg & Bloom Switch

- 3 Years Warranty

#2

PHLIZON NEWEST
600w LED Grow Light

Dimensions: 15.3 x 12.8 x 3 inches
Veg: 3 sq ft at 32"
Flower: 2sq ft at 24"


Features:
- Replaces a 400w HPS
- Consumes 208 watts
- Daisy chaining ability
- Veg & Bloom Switch

- 2 Years Warranty

Best 1000w LED Grow Lights

Choosing a 1000w LED grow light means that you're looking for that extra little bit of power to really penetrate your plants with PAR ( the actual edible light your plant uses ) and maximise your yields. Our best 1000w grow lights were chosen after considering their specs, performance and value for money.
We only pick grow lights that can back up their performance claims and come from reliable manufacturers.

#1

KINGLED
 KING PLUS 1000w 

Dimensions: 12.2 x 8.26x 2.36 inches
Core coverage : 3sq ft at 32"

Features:
- Replaces a 400w HPS
- Consumes 185 watts
- Daisy chaining ability
- 3 Years Warranty
- 50,0000 hrs lifespan

#2

Dimensions: 12.2 x 8.26 x2.36 inches
Core coverage: 5.1ft x 4.7ft at 24"

Features:
- Replaces a 600w HPS
- Consumes 185 watts
- 3 Years Warranty
- 100,000 hrs lifespan

#3

Dimensions: 18 x 11 x 3 inches
Veg: 3 x 2.5 ft at 32"
Flower: 2.5sq ft at 24"


Features:
- Replaces a 300w HPS
- Consumes 132 watts
- 3 Years Warranty

See ALL Best 600w LED Grow Lights >>>

Best 600w LED Grow Lights

A good 600w LED grow light should be able to take between 1- 6 cannabis plants from seedling ( or clone ) right the way through to harvest, producing excellent yield results. We've selected our top 3 best 600w grow lights based on their specs and performance compared to their price. All three lights featured below have been proven to back up their performance claims and come from reliable brands.

#1

VIPARSPECTRA
Reflector-Series 600w

Dimensions: 15.3 x 12.8 x 3 inches
Veg: 3 sq ft at 32"
Flower: 2sq ft at 24"


Features:
- Replaces a 600w HPS
- Consumes 269 watts
- Daisy chaining ability
- Veg & Bloom Switch

- 3 Years Warranty

#2

PHLIZON NEWEST
600w LED Grow Light

Dimensions: 15.3 x 12.8 x 3 inches
Veg: 3 sq ft at 32"
Flower: 2sq ft at 24"


Features:
- Replaces a 400w HPS
- Consumes 208 watts
- Daisy chaining ability
- Veg & Bloom Switch

- 2 Years Warranty

#3

MARS HYDRO
600w LED Grow Light

Dimensions: 18 x 11 x 3 inches
Veg: 3 x 2.5 ft at 32"
Flower: 2.5sq ft at 24"


Features:
- Replaces a 300w HPS
- Consumes 132 watts
- 3 Years Warranty

See ALL Best 600w LED Grow Lights >>>

Best 300w LED Grow Lights

A 300w LED Grow light is perfect if you're looking to grow one or two plants. Although these grow lights not might not penetrate your plants as well as more powerful lights, they will still do a great job and provide a good yield. Due to their value, many growers opt to purchase two 300w lights and hang them side by side to cover a larger area. These best 300w LED grow lights have been chosen based on their performance, specs and value for money. Each grow light below comes from a reliable manufacturer that does not make false claims about their lights performance.

#1

VIPARSPECTRA
Reflector-Series 300w

Dimensions: 15.3 x 12.8 x 3 inches
Veg: 3 sq ft at 32"
Flower: 2sq ft at 24"


Features:
- Replaces a 600w HPS
- Consumes 269 watts
- Daisy chaining ability
- Veg & Bloom Switch

- 3 Years Warranty

#2

ROLEADRO
300w LED Grow Light

Dimensions: 15.3 x 12.8 x 3 inches
Veg: 3 sq ft at 32"
Flower: 2sq ft at 24"


Features:
- Replaces a 400w HPS
- Consumes 208 watts
- Daisy chaining ability
- Veg & Bloom Switch

- 2 Years Warranty

#3

MARS HYDRO
300w LED Grow Light

Dimensions: 18 x 11 x 3 inches
Veg: 3 x 2.5 ft at 32"
Flower: 2.5sq ft at 24"


Features:
- Replaces a 300w HPS
- Consumes 132 watts
- 3 Years Warranty

See ALL Best 600w LED Grow Lights >>>

Best Budget LED Grow Light

If you're starting out with a super tight budget then we recommend that you focus on one plant at a time. Our top 3 best budget LED grow lights will all grow a single plant from seed right the way through to harvest. You might not get the best results from these lights due to their lower power, but they will  get the job done. Each of our 3 choices below have been chosen based on their performance, power and price. Each light also comes from a trusted brand that is responsive to customer concerns, making it easy to get a full refund or replacement if you experience any issues.

#1

SHENGSITE
UFO 45w LED Grow Light

Dimensions: 15.3 x 12.8 x 3 inches
Veg: 3 sq ft at 32"
Flower: 2sq ft at 24"


Features:
- Replaces a 600w HPS
- Consumes 269 watts
- Daisy chaining ability
- Veg & Bloom Switch

- 3 Years Warranty

#2

UNIFUN
45w LED Grow Light

Dimensions: 15.3 x 12.8 x 3 inches
Veg: 3 sq ft at 32"
Flower: 2sq ft at 24"


Features:
- Replaces a 400w HPS
- Consumes 208 watts
- Daisy chaining ability
- Veg & Bloom Switch

- 2 Years Warranty

#3

ROLEADRO
45w LED Grow Light

Dimensions: 18 x 11 x 3 inches
Veg: 3 x 2.5 ft at 32"
Flower: 2.5sq ft at 24"


Features:
- Replaces a 300w HPS
- Consumes 132 watts
- 3 Years Warranty

See ALL Best 600w LED Grow Lights >>>

How to choose the best grow light for your project.

Choosing the right grow light for your project can be frustrating. The best light depends on several factors such as the size of your grow space, the stage of your plants’ life cycle, and your budget.

To ensure you pick the right light for your grow space, here are some key things to keep in mind:

The size of your grow space

size of your grow space

There’s no point picking a highly rated light if it won’t fit your grow space.

If you haven’t done so already, measure the dimensions of your space (length, width, and height). Knowing these measurements will help you figure out the size and power of the grow light you require ( see next step ), as well as how many you’ll need to cover your space.

Important: If you have more than one plant, it’s important not to place them too close to each other. For optimum yields, it’s recommended that you leave a couple of inches “air space” between the plants. This will give them the space they need to grow.

Most of the lights on our list can be placed side by side or “daisy chained” together to cover larger grow areas.

The watts per sq/ft you require

Measuring wattage is one way to ensure that your light is strong enough for your grow space.

While it won’t give you a precise measurement of the actual light your plants are consuming (you need PAR for that, which we discuss at the end of this article), it will give you a good idea of the power you require for a good yield.

If you’re using an LED grow light, we recommend at least 50w per sq ft of grow space while flowering. For the vegetative stage, you’ll need around half of that.

Find out how much power you need.

First, multiply the length and width of your grow space. Then, take this value and times it by 50. That’s the minimum number of watts your grow space requires for optimal results.

Example: If your grow space 3 ft long and 3t wide, you would have a grow space area of 9 sq ft. Multiply 9 x 50 and you have 450. In this example you would want to purchase a grow light that produces at least 450 watts.

Of course, it is possible to grow cannabis with less than 50 watts per sq meter. However, you want your plants to produce awesome, potent buds. 50w per sq meter will help max out the photosynthesis process.

Color spectrum

Although your plants would probably start growing if you hung a desk lamp over them, you’ll get the best results with a grow light that produces the same full spectrum of wavelengths as the sun does.

We recommend a full spectrum LED grow light for this task.

A full spectrum LED grow light will emit the full range of wavelengths that your plants need during their lifecycle. They’ll emit blue and white spectrums for the vegetation stage and various red spectrums for flowering. They also produce UV and Infrared light which are proven to penetrate and supercharge your crop, improving the size of your buds and the levels of THC

Your budget

When calculating your budget, it’s vital that you also consider your lights energy consumption.

The average cost of electricity in the USA is 12 cents per hour. Your grow light will be running for 10-18 hours per day for between 2-6 months. If you are running an HID light that consumes 10000w, that’s at least $64 every month added to your electricity bill.

That’s a lot of energy!

Therefore, It’s important that you pick an energy efficient grow light. Again, we recommend that beginner to intermediate growers use LED lights. They may be a little more expensive up front, but the savings in terms of energy bills will be huge.

We know that our readers will have very different budgets so in this guide we have provided you with the best grow light options for each budget.

Warranty

I don’t know about you, but I always like to have a warranty and a good return policy when I’m purchasing anything electrical. It may sound obvious, but make sure you pick a grow light with a good warranty. It’ll give you peace of mind that if anything goes wrong, you can return of replace it.

We have provided warranty details for each grow light reviewed in this guide.

Brand Reputation

If you’re trying to decide between two grow lights that are the same price and have the same features, it’s always best to go with the trusted brand. There are a lot of grow light brands these days and many of them sell poorly designed lights and make outrageously false claims about what the light can do.

Before buying, it’s important to look into the brand you’re buying from. Look at their website, Amazon reviews and whether customers have had any issues.

All of the grow lights that we have featured in this guide are from trusted brands that have good reputations.

LED Grow lights FAQ's

We’ve taken some of our readers most commonly asked questions when buying a grow light and answered them below. Let us know if you have any other questions in the comments below!

Final Thoughts

Picking an LED grow light can seem like a daunting task. However, as long as you go with a light that has good specs and is from a reputable brand with responsive customer service, you can't go too far wrong.

We hope that this article has helped you decide which LED grow light is best for your setup. If you enjoyed what you read, we’d really love if you gave this article a share!

Also, make sure you drop your comments, questions, and pics of your LED grow lights in the comments! 


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