Last updated on October 31st, 2019 at 12:03 pm
LED grow lights have come a long way forward in this decade. Most professional marijuana growers have switched over to LED grow lights from indoor growing just because they are great in every way than old traditional indoor marijuana growing light.
Are you looking for the best 300watts LED grow light?
Well by the end of this post, we are sure you will find one!
You get a wide range of choices when it comes to buying LED grow lights on the internet. Some of them are very good, but some are an utter waste.
So, how do you decide which one is a good one and which one is not so good?
We here at Buds of Life believe in helping our reader choose the very best without getting confused. We have lots of different reviews posted on our website, especially if you are a beginner then you might want to check them out.
Let us just put shortcut link here so that you can check whatever you like…
FREE Complete guide of how to grow marijuana at home – CLICK HERE
Best Grow tents to buy in 2019 – CLICK HERE
This post is dedicated to best 300watts LED grow light for indoor growing only. You will find that we have researched and listed ten products which are readily available on Amazon. All these products are excellent and will attract people with different requirements.
If you want a cheap LED grow light or a low power consumption LED or any other kind; we have covered you. Just read the detailed LED grow light reviews and select which attracts you the most.
But before we start with the reviews, please check out this comparison table to see which brands we have chosen to review.
10 Best 300watts LED grow lights in 2019
- 1 10 Best 300watts LED grow lights in 2019
- 1.1 10.) iPower 300 W LED grow light review – save up to 80% on energy bills
- 1.2 9.) Vivosun 300 W LED grow light review –Maximum PAR Output.
- 1.3 8) Advanced Platinum Series P300 review – Premium 300 W LED grow light.
- 1.4 7) Higrow 300 W LED grow light review – best mid-range LED grow light for beginners.
- 1.5 6) Lightimetunnel 300 W LED grow light – Cheapest on the list
- 1.6 5) Bloomspect 300 W LED grow light – Affordable grow light
- 1.7 4) Maxsisun 300 W LED grow light – Dimmable LED grow light
- 1.8 3) Roleadro Galaxyhydro series 300 review – EDITORS CHOICE for best 300 W LED grow light
- 1.9 2) Marshydro 300 W LED grow light – Best rated LED grow light
- 1.10 1) Viparspectra Reflector Series 300 review – LED grow light that runs 70% cooler
Shall we start with the detailed 300watts LED grow light for marijuana reviews now?
10.) iPower 300 W LED grow light review – save up to 80% on energy bills
Looking for a LED grow light which uses low power and gives full spectrum light for your plants?
Then this iPower 300 W LED grow light for weed could be a great choice. Compared to fluorescent bulbs, HPS and MH lighting systems, this LED grow light saves about 80% of power.
It also environmentally friendly as well as being very efficient when operating.
Your plants will absorb 95% of the light that is emitted from this LED grow light, and more absorption means less power usage.
The overall lifespan of this grow light is 50,000 hours, and you will not need any other equipment to run it. You don’t even have to use any cooling equipment with this excellent light.
Very easy to use!
The designers of this 300watts LED grow light have made this light in a way that it will produce the highest LUMEN output at lowest wattage possible.
Isn’t that clever?
If you grow your marijuana plants under this LED grow light, then they will grow out to be lush, thick and would have big buds. This 300watts LED grow light is already used by caregivers, gardeners, dispensaries and commercial growers.
You will be getting 100 pieces of 3-watt LED chips in this grow light along with a 2-year warranty from the date of purchase.
The overall weight and size if this 300watts LED grow light for marijuana is 6.9 pounds and 12.6 X 7.9 X 23 inches respectively.
9.) Vivosun 300 W LED grow light review –Maximum PAR Output.
This Vivosun 300 W LED grow light is one of the best sellers on Amazon for grow lights category. It has also been rated at 4.4 stars out of 5 by people who bought this light.
Starting out with the warranty, you will get a 3-year warranty with this awesome LED grow light. Along with that, you will also get a 30-day refund guarantee in case you do not like the LED grow light.
This grow light has full spectrum lighting emitting LEDs. You will get good light coverage, great power, intense brightness and maximum PAR output at different hanging distances.
If you want massive development in your cannabis plants, then you can place this grow light at a 24-inch hanging distance, this will provide you with a coverage area of 2 X 2 feet for veg and 1.5 X 1.5 for bloom stage. The canopy penetration rate is very high in this 300watts LED grow light.
You do not have to worry about heating as this grow light has large 5-inch cooling fans and composite metal design which is excellent for keeping the grow light cool during long operating hours. The fans are very quiet and efficient when operating.
This grow light only consumes about 135 watts when operating while giving out 300 W brightness to your plants.
This 300 W LED grow light is best suited to people who have 3 X 3 grow tents in their grow area. If you have a large growing area, then you can buy 2 of these and daisy chain them together to get a bigger coverage area.
The manufacturer has included infrared bulbs in this LED grow light, which helps promote cell division in your cannabis plants and as a result, you get more yield. During the flowering stage, these infrared bulbs play a crucial role in giving that extra push to produce more harvest.
Another good thing is the reflector cup design, the designers have made the cups design to maximize the intensity and concentration of light before throwing it out on plants. This increases the light brightness and effect on your marijuana plants.
There are a total of 60 pieces of 5 watts LED chips in this 300 W LED grow light. The total lifespan of these LEDs is 100,000 hours.
The overall size of this 300 W LED grow light for cannabis is 13.5 X 9 X 3 inches and the weight is only 6.5 pounds.
8) Advanced Platinum Series P300 review – Premium 300 W LED grow light.
If you want the best of the best, then this Advanced platinum P300 is the choice for you. It is the most expensive, and hence the most efficient and powerful 300 W LED grow light for weed.
This 300 W LED grow light for indoor growing has the highest PAR LUMEN output per watt when compared to any other 300 W LED grow lights on the market. It even gives you about 2 to 3 times more light intensity than other LED grow lights.
Isn’t that impressive?
Now you know why it is expensive!
You have to pay to get the very best.
You will be able to replace 400-Watt HPS lighting with this LED grow light. While giving you the same amount of light brightness, it will actually consume less power. The average power draw for veg mode is only 93 watts, and for bloom mode is 180 watts.
The light will provide your marijuana plants with 12 bands full spectrum light to let them get everything they need in order to grow and offer better yields. This 300 W LED grow light for cannabis also has inbuilt ultraviolet and infrared LEDs which are also very important to plants healthy growth.
This light runs very cool!
The size of this best 300 W LED grow light is 19 X 13 X 9.25 inches and the weight is 13 pounds.
The designers have made the outer body with aluminium and have installed heat sinks in the design to help with lowering the heat. Also, it features high-speed fans which help to get the hot air out.
Along with all that, you will also get two switches to turn the bloom and veg mode ON and OFF. This gives you a lot more control over how you want to grow your marijuana plant.
The coverage area that you will be getting for veg and bloom mode is 4.5 X 3.8 feet and 3 X 2 feet respectively at 19 inches hanging height.
This 300 W LED grow light for marijuana features 100 LEDs of 3 watts inside the frame, which are all rated at a lifespan of 100,000 hours.
You will be getting a 5-year warranty with this awesome LED grow light. In addition to that, they are also providing a 90-day satisfaction guarantee as well.
7) Higrow 300 W LED grow light review – best mid-range LED grow light for beginners.
If you are a beginner in marijuana growing experience, then you might want to check this light out. This Higrow 300 W LED grow light has received good feedback from all its customers in the form of high ratings on Amazon. This is the perfect Led grow lights for the beginners!
The designers have made this grow light with a built-in 90-degree optical lens system. This is done for many reasons like increasing the harvest, increasing PAR LUMEN ratio, reducing the light loss by 30% and to get the light more concentrated and intensified before throwing out on plants.
While giving you the same amount of output as a 250 W HPS/MH lighting system, this 300 W LED grow light for indoor growing consumes only 130 watts of power.
You will be getting light of full spectrum, from 380 nm all the way to 760nm. It also includes ultraviolet and infrared light as well, which will be loved by you plants in different growing stages.
The coverage area that you will be getting with this 300 W LED grow light for weed at 24 inches of hanging height will be about 3 X 3 feet.
There is a high-speed fan installed inside the housing which will help this LED grow light to run cooler when operating for long working hours. The upgrade aluminium heat sink is also a good addition as they help with lowering the temperature of the grow light.
You will be getting 60 pieces of 5-watt LEDs, which are made by reputed manufacturers like Epileds and Bridgelux. These LEDs have a lifespan of 50,000 hours.
This 300 W LED grow light for cannabis only weight 5 pounds, and its dimensions are 12.2 X 8.3 X 2.6 inches.
There are also two different independent switches for Veg and Bloom mode which you can use to turn either one on or off. This gives you control over the way you want your plant to advance in its growth stages.
The company provides a 3-year warranty with the purchase along with a 30-day free refund guarantee.
6) Lightimetunnel 300 W LED grow light – Cheapest on the list
Looking for a really low priced 300 W LED grow light for indoor marijuana growing?
You will love this Lightimetunnel LED grow light then!
This LED grow light has a full spectrum light and includes 167 pieces of LED which range from 400 to 780nm, along with that it also has 24 pieces of blue LED which have a frequency of 470nm.
You will also be getting UV, and IR light spectrum in this cheap 300 W LED grow light for indoor growing. All these different light spectrums will combine to provide your plants with light similar to sunlight and help them thrive and deliver great harvests.
If you have a large growing area, then you can daisy-chain multiple LED grow light and illuminate all your marijuana plants with full spectrum light.
The overall coverage this light can provide is 3 X 3 feet.
This 300 W LED grow light for weed has a 60-degree reflector cup design which concentrates more light on your plants, and as a result, you will get 95% utilisation of light by your plants. It will also promote PAR LUMEN ratio to give your plants better absorption rate.
This LED grow light made out of heatproof material and has quiet cooling fans which help prevent the temperatures from rising and harming your plants.
Total power consumed by this is only 130 watts, which is lower compared to similar HPS and MH lighting systems.
This company has been making LED grow lights from the past ten years and have a lot of experience in this field. They will provide excellent after sales service as well.
The best thing about this LED grow light is that it only weighs 4 pounds and its size is 13 X 8.5 X 2.5 inches.
You will get a 1-year warranty with this 300 W LED grow light for marijuana.
5) Bloomspect 300 W LED grow light – Affordable grow light
When it comes to developing cheap but very powerful grow lights, you can always trust Bloomspect.
This 300 W LED grow light indoor marijuana growing is really good because it only consumes 130 watts while giving you power similar to a 250 W HPS/MH lighting system. Plus, the low heat and high efficiency.
You will get a coverage area of 3 feet by 3 feet in VEG mode and 2 feet by 2 feet in BLOOM mode. Although, you can adjust the hanging height as you like to get the maximum results.
It also runs very cool, thanks to the cooling fans and the aluminium heat sink added to the design.
The amount of light that is absorbed by your marijuana plants I very important as all the extra light is wasted, which is a loss of money at the end. This 300 W LED grow light for weed has secondary optical lenses to throw high intensity and concentrated light at your plants, resulting in better canopy penetration.
The overall weight and the size of this grow light is 5 pounds and 11.8 X 8.3 X 2.4 inches respectively.
You will be getting many different kinds of lights in this LED grow light, which includes 630 to 660nm, 440nm, 460 to 470nm, 3500 K and 7500 K frequencies.
There are 60 pieces of 5-watt LED which are made by quality manufacturers like Epileds and Bridgelux. All the LEDs have a lifespan of 100,000 hours, which is about 8 to 10 years.
The complete warranty on this LED grow light is of 1 year, along with a 30-day money back guarantee.
Hanging height – 24 to 28 inches
Timings – 14 hours ON and 10 hours OFF
Hanging height – 16 to 20 inches
Timings – 18 hours ON and 6 hours OFF
Hanging height – 12 to 18 inches
Timings – 20 hours ON and 4 hours OFF
4) Maxsisun 300 W LED grow light – Dimmable LED grow light
This 300 W LED grow light from Maxsisun is a unique one.
It has two controllers for VEG and BLOOM lighting. They have designed it in a way that you can control the level of the output of these both kinds of lighting. This is really a massive help when it comes to getting customised marijuana growth stages. You can dim the light that you think is not usable in a particular growth stage of marijuana plant, which will also save power and hence save you money on energy bills.
10 points for this great feature!
The overall coverage area is also very good in this 300 W LED grow light for marijuana. At 24 inches of hanging height, you will have a coverage area of 3.5 X 3.5 feet for Veg mode and 2.5 X 2.5 feet for bloom mode.
This is one of the highest coverage areas we have seen in 300 W LED grow lights.
There are 62 pieces of 5-watt LEDs in this grow light, which are made by Epileds and Bridgelux who are known to make some of the best LEDs in the market.
The overall power this light consumes is only 142 watts, and you will be getting about 100,000 hours of usage out of this best 300 W LED grow light for indoor growing.
The infrared LEDs that are included in this grow light will come in handy during the Bloom period to increase the PAR LUMEN output of the light.
Other feature includes a sturdy design, daisy-chainable, user’s manual and strong construction material.
The overall size and weight of this LED grow is 15.7 X 8.4 X 2.4 inches and 7.5 pounds respectively.
You will also be getting a free two years warranty with this 300 W LED grow light for cannabis.
Hanging height – 24 to 28 inches
Timings – 14 hours ON and 10 hours OFF
Light intensity – VEG: 80% and BLOOM: 30%
Hanging height – 18 to 24 inches
Timings – 18 hours ON and 6 hours OFF
Light intensity – VEG: 100% and BLOOM: 50%
Hanging height – 16 to 20 inches
Timings – 12 hours ON and 12 hours OFF
Light intensity – VEG: 100% and BLOOM: 100%
3) Roleadro Galaxyhydro series 300 review – EDITORS CHOICE for best 300 W LED grow light
This is our choice for the best 300 W LED grow light in 2019.
Nearly 1100 customers on Amazon have rated it at 4.5 stars out 5. This shows that majority of the people have loved this grow light.
Let’s start the review with power…
Compared to a 400 Watt HPS/MH lighting system, this 300 W LED grow light only consumes 130 watts, cool right?
It has brighter PAR and LUMEN output than other lights on the similar category. It gives you about 453 umol at 18 inches of hanging height.
98% of the light that is emitted from the 300 W LED grow light for weed is used by the plant, so very little wastage. Less light loss will directly translate into energy efficiency and savings on the energy bill.
Most of the LED grow lights on the market have reflector cup designs, but this grow light has a led bear and Zener design. This means, if one of the LEDs stops working then it will not affect other LEDs in any way. Also, plastic reflector cups cannot sustain very high temperature, so as a safety point you will be better off with this Zener and led bead design.
This 300 W LED grow light for indoor growing has a superb cooling system. It includes two very high-speed fans, built in aluminum heat sinks and unique built-in temperature controller unit. All these things together, make up a very efficient cooling system which will efficiently remove hot air and keep things cool.
By using this LED grow light, you will be getting up to 30 to 50 percent better yield. This will happen thanks to the manufacturer adding a greater number of red LEDs in the mix. It also has other LEDs like IR, UV and white LED as well. There are a total of 100 3-watt LEDs in this grow light.
The lifespan of the LEDs is 50,000 hours and are made by superior manufacturers like Epileds.
The coverage area that you will in this grow light is 3 X 3 at a hanging height of 24 inches. The weight and size of this LED grow light is 4.74 pounds and 12.1 X 8.2 X 2.4 inches respectively.
This company has been making and testing LED grow light from 8 years now. They have a huge team dedicated to research and development. All of their marijuana-related products are sent through rigorous testing before handing it out to customers. You can definitely trust them with the safety factor.
You will get 30 months warranty with this 300 W LED grow light.
2) Marshydro 300 W LED grow light – Best rated LED grow light
This Marshydro is one of the best rated 300 W LED grow lights on Amazon in 2019. Nearly 1000 people have rated it at 4.4 stars. This shows us that it is very efficient and powerful LED grow light.
The Blooming light on this grow light is really good for vegetables, flowers and especially marijuana. You can use this light for hydroponics, grow tents and many other places. It is suitable for all kinds of indoor growing.
While providing you with 300 W worth of light, it will only consume 132 watts of power.
Isn’t that awesome?
If you have a 2 X 2 grow tent, then this light is best suited for you. It will give you a coverage area of 2 X 2 feet. The coverage area can be easily extended by daisy changing 2 of these lights together.
The high-speed fans on this 300 W LED grow light for weed are really quiet and efficient when operating. The integrated circuit board and the heat sink are designed separately to prevent any component from failing when something goes wrong in a separate part.
Marshydro has used high-quality 5-watt LEDs by Epistar in order to give you the increases PAR and LUMEN support. It also gives you a uniform light which will prevent any hot spots on your cannabis plants. The 60 pieces of LEDs create enough light for your plants to thrive and grow healthier.
This 300 W LED grow light provides different light spectrums like 430-440nm, 450-475nm, 620-630nm, 650-670nm and white.
The overall lifespan and the weight of this LED grow light is 50,000 hours and 5.58 pounds.
You will be getting a three years warranty, and 30-day money back guarantee from the date of purchase.
1) Viparspectra Reflector Series 300 review – LED grow light that runs 70% cooler
Viparspectra is one of our favorite brands when it comes to marijuana products. They always deliver high-quality products to everyone.
This 300 W LED grow light has been peoples favourite on Amazon. Most of the buyers on Amazon have given this grow light a rating of 4.4 stars.
This grow light has been specially designed to provide the best balance between PAR output and overage area. You will get a veg coverage area of 2 X 2 feet and bloom coverage area of 1.5 X 1.5 feet at 18 inches of hanging height.
It also has a full spectrum light which mimics our sunlight very closely. Your plants will love the light, and they will for sure provide you with more yields.
The heat dissipation on this 300 W LED grow light for marijuana is also very good. The efficient cooling fans along with the aluminium heat sink provide a cooling effect on the grow light.
According to the manufacturer claim, this LED grow light runs 70% cooler than other similar light on the market.
This grow light is actually developed by professional marijuana growers, who know exactly what your plants need in terms of good lighting. It will undoubtedly increase the quality of flowers and also make them denser.
There are 60 pieces of 5-wattBridgelux, and Epileds LEDs in this grow light, which consume only 136 watts when operating. The lifespan of this 300 W LED grow light for cannabis is 100,000 hours, which is like 8 to 10 years.
It weighs only 5.6 pounds, and the size of this LED grow light is 12.6 X 7.9 X 3 inches.
The best thing about this LED grow light is that it comes with a 3-year warranty along with a 30-day satisfaction guarantee.
Phew! That was a long post, right?
WELL DONE reading all the reviews!
Hopefully, by now you will be clear on which 300 W LED grow light you like the most. Great, then go ahead and buy it from Amazon at the earliest to give your plants an awesome light source.
But just in case, you are still confused; we would like to recommend the best LED grow light as per our research.
The Roleadro 300 W LED grow light is the best among all of the listed LED grow lights. We love it because they have developed a unique LED Bead and Zener design, which is so much safer to use. Also, the light consumes very low power and comes with a 30-month warranty. Everything about this light is perfect.
Why not go on Amazon and then check out the latest price of Roleadro 300 W LED grow light?
In the meantime, enjoy shopping!