The Best 300w Led Grow Light of 2022

After hours of researching and comparing all models on the market, we find out the Best 300w Led Grow Light of 2022. Check our ranking below.

Our Picks For The Top 300w Led Grow Light


Bestseller No. 1
MARS HYDRO 2023 Upgraded FC-E3000 300Watt LED Grow Light 3X3ft UV IR Full Spectrum Grow Light Bar with 1184pcs Diodes, Dimmable & Detachable Grow Lampe for Veg Bloom Flower, Achieve 2.8 umol/J
  • HIGH-EFFICIENCY LED GROW LIGHT: MARS HYDRO FC-E3000 grow light with 1184pcs BridgeLux Diodes, market-leading 2.8 µmol/J PPE, Max 2.5g yield/watt, 300 Watt with smaller footprint for better crop quality, more cost-effective. 3x3ft for personal grow, 2.5x2.5ft for commercial grow.
  • INNOVATIVE PRECISE UNIFORM LIGHTING: Built-in removable bars interval & dimmability enable the exact dynamic PPFD control over each of plant growing stages, FC-E3000 easy-to-install detachable bars deliver uniform adjustable PPFD levels throughout plant canopy, best for more uniform Density Buds.
  • DIMMABLE COMMERCIAL GROW LIGHT: Easy dimming & daisy chain max up to 20 lights, IP65 Waterproof, master light easily controlled, making it a high performance commercial grow light for enormous yields. Also perfectly suit full-cycle hydroponic, soil, grow tent/room growing.
  • SUPERIOR HEAT DISSIPATION: Detachable power supply can be mounted remotely on the side of a grow tent/rack or on adjacent wall to remove heat from grow space; real Aluminum heatsink & 4 slim profile passive cooled bars (THINNER & LARGER surface) creat less heat, drop 50% in electricity bill than HID lights!
  • FULL SPECTRUM UV IR GROW LIGHT: With Yield Max spectrum (660nm Osram enhanced Deep Red,2800k-5000knm,730-740nm IR,380-410nm UV LEDs), innovative design FC-E3000 LED grow lamp is designed for commercial & home horticulture. Trusted 5 years warranty, any question, just email us,100% Satisfactory Solution guaranteed!!
SaleBestseller No. 2
VIPARSPECTRA 300W LED Grow Light with Daisy Chain Function, Full Spectrum Plant Growing Lights for Indoor Plants Veg and Flower Actual Power 130 Watt
  • 【Optimal Spectrum】The secret to VIPARSPECTRA’s success is optimal full spectrum lighting which provides plants in all stages from veg to flower with everything they need in the natural sunlight. This results in bigger buds and higher yield all while saving you on energy costs.
  • 【Daisy chain Design】 Daisy chain feature assists growers to connect multiple lights together with fewer outlets. No additional cords is needed, just simply plug in the provided power cord into the second light's outlet to achieve connection among multiple units.
  • 【Outstanding Design】Sturdy durable construction with fire-resistant iron housing. Suitable for each growing phase. Upgraded aluminum cooling heat sinks and advanced high speed quiet fans are great for heat dissipation.
  • 【Coverage Area】Comparable to traditional 250W HPS/MH while consuming only 130W! Perfect for a 2’x2’ vegetative coverage at 24” and 1.5x1.5’ flowering coverage at 18”.
  • 【Worry-free 3 Years US warranty】We are a professional manufacturer which specialized in LED grow light for many years. Products' quality and professional customer service are always our Top concerned. We offer 3 Years local warranty and 30 days money back guarantee. If you have any questions, please feel free to contact us. We will offer you professional guidance to help you and your plants grow better.
Bestseller No. 3
Mars Hydro TSW2000 Led Grow Light 300 watt 4x4ft Coverage Full Spectrum Growing Lamps for Indoor Plants Dimmable Daisy Chain Seeding Veg Bloom Light for Hydroponics Indoor
  • 2023 UPGRADED HIGHLY-REFLECTIVE HOOD LED LIGHT: The upgraded white reflector design on TSW2000 grow light is patented, With a refraction angle of 120°, it can cover a wider reflector range to enhance its light intensity as well as assist plants in absorbing more light. The actual power of TSW2000 is 300 watts, while other brand model 2000 is only 200 watts.
  • NEW DIODES LAYOUT & HIGH EFFICIENCY WHITE LED GROW LIGHT : The new diodes arrangement of dense in the middle and sparse on both sides makes the led light more uniform between middle and sides than old arrangement of other brand lights.Perfect for 3x3ft bloom stage, 4x4ft veg stage. Over 90% light energy can be absorbed by plants; Higher intensity and more even coverage in a MARS HYDRO grow tent, reflective area, or by crossing over using multiple TS series LED lights.
  • LOW ENERGY CONSUMPTION GROW LIGHTING: Consuming only 300W with 704 LEDS! Equipped with Newest SMD LED technology to provide highest PAR/LUMEN output, designed to replace a single-ended 450watt HPS; MARS HYDRO TSW 2000 Plants Growing lamp can assure a 30% more return than the old HPS/MH lights and saves up to 50% energy than other led grow lights.
  • SUNLIKE FULL SPECTRUM LED INDOOR GROWING LIGHT: 730-740nm Red IR/3200-4200Knm/5200-6800Knm,spectra that makes most light in the 400-700nm waveband, best for all plants all stages growing, rapid plant response from seed to flower and increase yield & crop quality‎.
  • DIMMING & DAISY CHAIN FEATURE GROW LIGHT: Upon an independent dimming button on the external driver,adjustable 0-100% settings adaptation and up to 30 LEDs Light daisy-chained in a group; Auto sensing power supply works on both 120VAC and 240VAC and 277VAC, suit for Large Rooms and Personal Setups.
SaleBestseller No. 4
Led Grow Lights,300W Led Grow Light for Indoor Plants with 4 Dimmable Levels 3 Modes Timing Function,Indoor Grow Lights for seed starting,Hydroponics Growing Light, Multiple Panels Can Be Conn
  • 【Led Grow Lights with Cycle Timer】MSMKEJI led grow lights for plants has a built-in cycle timer,and there are 1-20H timer setting options For Your Choosing.The led plant light for indoor plants will automatically turn on every day as your setting, Even you're on the travel, These full spectrum led grow light will still take good care of your plants every day!
  • 【3 Modes & Rremote Control】The Led Grow Lights for Indoor Plants with 4 Dimmable Levels 3 Modes Timing Function cater to all of your all needs,bringing an excellent use experience!This plant light has more Red&Blue light create an improved environment for plants to prosper. The remote control can be used to adjust the mode,timing and brightness of the led grow light,Extremely intelligent,convenient!
  • 【Full Spectrum LED Grow Lights】 100% Premium.This plant grow light for indoor plants contains a optimal spectrum which promotes plants at various stages of growth,and its IR and UV LEDs form an invisible protective coating around your plants to ensure a completely sound growth. An ideal led grow lights full spectrum for all kinds of plants, help them go from sprouting, growing, blooming to fruit bearing.
  • 【Widely Used Plant Grow Light】MSMKEJI led grow lights for indoor plants can be used for both hydroponics and indoor plants in soil, such as orchid, potatoes, lettuce, chili, tomatoes, cucumbers, peppers, leafy greens, and herbs.aquarium plants like algae that in greenhouse, garden, vertical farm, grow tent or grow room.
  • 【Best Consumer Service】We have great faith in our Led grow lights for plants.A full refund within 30 days since the day of purchase for no reason. Each one of them comes with a 1-year technical support.You will be given a completely satisfying answer within 24 hours if you have any problem or doubt, and we are always be with you.
Bestseller No. 5
Spider Farmer SE3000 Bar Style LED Grow Lights 300W with 896Pcs Samsung LM301B Diodes 3x3ft Coverage Full Spectrum Dimmable Growing Lamp for Indoor Plants
  • MAXIMUM UNIFORMITY & EFFICIENCY: The SE3000 with unique designed 4-LED bars provide more uniform canopy coverage, especially to the outer edges cultivation areas. With 896 pcs SAMSUNG LM301B diodes, SE3000 Led grow light draws 300 watts with 826 umol/s, achieving an impressive PPE of 2.75 umol/J, coverage for 3x3ft of high-yielding full-cycle growth.
  • ADVANCED FULL SPECTRUM WITH UV & IR LIGHT: The SE3000 plant light is a full spectrum LED grow light (2800-3200K,4800-5000K,650nm) with different wavelengths of light, perfect for every stage of plant growth, from seed to harvest. The extra added UV light (380-410nm) and IR light (730-740nm) effectively promote robust stem growth, as well as more flowers and fruit.
  • PASSIVELY COOLED & DETACHABLE DRIVER: Bar style grow light design and aluminium heat sinks on the back contribute to better airflow and great heat dissipation. SE3000 plant growing light comes with a detachable driver and long power cord 8.5 ft, thereby reducing ambient heat in your growing space for extended lifespan. With the waterproof coating on the diodes, worry free of the moist environment.
  • DIMMING DAISY-CHAIN: Dimming knob allows to adjust the brightness of the light, 10-100% dimming to meet the needs of plant growth. Also daisy chain function supports growers to connect up to 60 lights for dimming at the same time. Highly recommended for use in grow rooms, home growing (3x3 grow tent), closet, DWC and hydroponics etc.
  • 5-YEAR WARRANTY: High quality products and attentive after-sales service create the irreplaceable Spider Farmer LED grow lights. 5 years of after-sales service is provided for the SE series grow lights, and any problems within five years can be repaired at your local repair center (USA/Canada/UK/Germany). Please feel free to contact us about product problems and we will help you solve them.
SaleBestseller No. 6
LED Grow Light Indoor Plants - 300W 420LED Plant Light with 63" Extendable Tripod Stand,Dual Controllers,Full Spectrum,4/8/12H Timer,Adjustable Gooseneck,4 Switch Modes for Greenhouse Veg and Flower
  • 【2021 New Upgrade & LOWER RUNNING COSTS & HIGHER-QUALITY YIELDS】: LECLSTAR Grow light for indoor plants, Four-Head three-row designs, the whole lamp is composed of 420 LED high-brightness lamp beads. It only needs 40W of power to transmit 300W, high efficiency, and energy-saving, LECLSTAR Grow light can increase the growth rate of indoor plants by 50% compared to other grow lights.Meanwhile our high-quality aluminum shell are great at heat radiation with a lamp life of up to 50,000 hours.
  • 【Dual control, automatic on/off】 LECLSTAR Grow light with line-in controller and RF controller. Plant light Support 3 light modes, 10 dimmable levels, 4 lights independent control, and auto on/off every day after setting the 4H/8H/12H timer,so there is no need to worry about plant withering when nobody at home.every feature is comendable. UL certified adapter with USB plug, more safe and flexible to use in anywhere with the grow light
  • 【Adjustable height, easy to install】 Just within two minutes! Open the tripod, adjust height(Adjustable tripod stand extendable from 11 inches to 75 inches, just lock it at desired length for your preferred use.), turn the screw clockwise until it’s secured, place the grow light on the tripod, turn the screw counterclockwise until the plant light is fully seated.Grow light Suitable for indoor plants, greenhouse, darkroom, living room, office large and tall plants, flower show, potted plants.
  • 【Full Spectrum grow light & larger lighting area】1.Red(660nm)+Blue(460nm): promote plant growth, flowering and fruit. 2.Warm White:3000k high uniform light, like sunlight,improve seeding growth. 3.Red+Blue+Warm White(380nm-780nm):Enhance red and bluelight based on natural light,effectively promote growth.Besides,the 4-head grow light has a 360-degree flexible gooseneck made from high quality tubing to adjust an ideal illumination angle and Provides a larger light exposure range for your plants
Bestseller No. 7
HEISENS LED Grow Light, 300W Full Spectrum Plant Grow Lamp for Indoor Plants, Upgrated Version, IP65, Energy Saving for Veg Flower Greenhouse Indoor Plants
  • 【Full Spectrum grow lights】Mported LED light source with highcolor rendering,color more realistic,restore natural color,brighter, long life.Using upgrated diffusion plate,light transmit as high as 95%, anti-fog anti glare, the light is soft and comfortable,create soft atmosphere
  • 【Wide Irradiation Range】Our grow light Designed with adjustable 180° U-shaped bracket, easy to light up and down to position, no need other tools, safe and reliable
  • 【Efficient Heat Dissipation】Plant light grow light for indoor plants:Heat sink design promotes quick heat disspation to help prolong LED lifespan
  • 【IP65 Waterproof】Plant grow lights:The lampshade is waterproof, not afraid of rain. On rainy or snowy days, there is no need to worry about being damaged by water ingress.
  • 【Wide Uses- Led grow light】Can be adjusted for indoor plants、potted plants、greenhouse vegetables at different growth stages, helping to absorb energy from LED lights and promoting growth.
Bestseller No. 8
The Bud Grower - Indoor Home Grow Kit - Complete with Tent, 600 Watt LED (Dual 300-Watt) Grow Light, Heat & Humidity Monitor, and CFM Inline Exhausting Fan, & Premium Potting Soil - 24" x 24" x 60"
  • TOP INDOOR GROW TENT: Our 24" x 24" x 60" grow tent comes with 600-WATT FULL SPECTRUM LED Grow Light that delivers optimal light-spectrum coverage, more power for bloom, maximum PAR output at various distances, and super-bright lights. With two separate switches, Veg and Bloom function. Designed for SUPER ENERGY SAVING and works great in a closet, pantry, or corner of your room.
  • GOOD GROWING ITEMS IN A SINGLE BOX: Get a supply of 4" carbon air filter, 2x steel ducting, 4x Duct Clamps, 3x Rope hangers, 2x Grow Plant Pot/Saucers, Heat & Humidity monitor, Electronic timer, Clip Fan, Pruning Snip, 2x Germination Domes, 5x Rapid Rooter, 1x Power Cord, Leather gloves, 4x Fermenting Bottles. Plus, it has a Filtration System is through 4" fan, high CFM Inline Exhausting Fan with 5-speed controls.
  • DURABLE TENTS: Tailor made tents for a taller easier grow and to ensure long-lasting use. Premium Indoor Grow Tent Room Reflective 600D Mylar Hydroponic Non-Toxic Hut (Hulk Series). We assemble every small, medium and large indoor or house plants grow kit by hand with the highest quality items to ensure an efficient and enjoyable growing experience.
  • BEST FOR ANY KIND OF PLANTS: Start planting a flower, veg, or herb garden with these grow kits. It comes w/ specially formulated (Two Bags/6lbs) CaliSuperSoil "Hot Soil" and Fox Farm Potting Mix (20 Quart) which behaves like little sponges that control the water well. A complete set of indoor grow kits for beginner and advanced growers/planters.
  • TOTAL GROWING SOLUTION: Our team of experts has sourced the best super-soils, tents, grow LED & HPS lights, fans & carbon filters, and support grows materials. Take pride in your grow from start to smoke, and enjoy the low cost, high quality of a 100% organic and natural yield.
Bestseller No. 9
Mars Hydro SP3000 LED Grow Lights 2x4ft, 300W with 960Pcs Samsung LM301B Diodes Full Spectrum Indoor Grow Lamp with Detachable Driver, Daisy Chain Dimmable Veg Flower Commercial Grow Light
  • ADVANCED YET ECONOMICAL: MARS HYDRO SP3000 led grow light adopts 960Pcs Samsung LM301B diodes, gets max yield up to 2.5g/w and higher light outputs of 1136μmol/s yet only consumes 300watt. It fits for a 3x5ft veg coverage , or 2x4ft flowering coverage. Updated version from SP250
  • FULL SPECTRUM FOR ALL STAGES: Precisely utilizes a combination of all colors in full-cycle growth, this growing lamp provides plants with mimic natural sunlight to produce high-quality crops, the sunlight spectrum includes Warm White Light 3000K, Red Light 660nm, White Light 5000K
  • DIMMING FUNCTION AND DAISY CHAIN: Featuring a dimmable knob to control light intensity for all stages growth, SP3000 also supports daisy chain to connect up to 30 lights at the same time, especially convenient for large indoor growing or commercial planting
  • SAFE AND DURABLE STRUCTURE: Equipped with a detachable driver to avoid safety issues with silent cooling, Mars Hydro 300watt light is also water-proof and super lightweight. The aluminum heat sink is durable and sturdy, the inner mechanism converts power into heat efficiently
  • AUTHENTIC WARRANTY BY MARS HYDRO: MARS HYDRO SP3000 lights support 3 years warranty, with reliable customer service team and technical support, any assistance would be offered. If there is any question, please feel free to contact us, 24-hours service is always for you
Bestseller No. 10
SAMPHON Led Grow Light 3x3ft 300W Dimmable Full Spectrum Grow Lights 1116Pcs LEDs Growing Lamp for Indoor Plants Daisy Chain Greenhouse Veg Bloom Hydroponic
  • FULL SPECTRUM LED GROW LIGHT:Fits for all kinds of indoor plants and all growth stages.Consists of 3000K, 5000K and 660nm,efficacy is up to µmol/J.1080Pcs SMD LEDs and 36pcs osram red diodes,only consuming 300W. Effectively extend and scientifically control the sun-like light required by your plants from seedling to blooming.
  • HIGH EFFICIENCY & LOW ENERGY CONSUMPTION:Samphon 300W led grow lights is ideal for 4 x 4 ft vegetative area or 3 x 3 ft flowering area,4-bar degisn for more even and complete canopy coverage. PPF up to 810 µmol/s,Most of the light energy can be absorbed by plants.Increase yield and crop quality and save electricity bills.
  • DAISY CHAIN DIMMABLE GROW LAMP:The dimmer knob can adjust the brightness of 40%/60%/80%/100%.For commercial grow use,allow 50PCs lights connected together.Adjust the light intensity and timing with the controller(Controller is not included).Fits for grow tents,house garden,herb garden, hydroponic plant,pot culture,flower exhibition,greenhouse cultivation,pipeline cultivation and so on.
  • PROFESSIONAL COOLING SYSTEM:The grow lights with thicken aluminum heat sink,gas reflow design,providing better heat dissipation and reducing waste of heat energy.Sufficient cooling area for longer service life,180° reverse folding design,flat unfold,Built-in power supply,simple and clean,plug and play,easy to install.
  • SAMPHON LED GROW LIGHTS PACKAGE&WARRANTY: 3 years warranty,more than 500000 hours lifespan.Contains 300W full spectrum grow light,Power Cord,Adapter,RJ Wire,Hanging Strings,Users Manual.Life-time technical supports,If you have any questions, just feel free to contact with us.


How Do You Buy The Best 300w Led Grow Light?


Do you get stressed out thinking about shopping for a great 300w Led Grow Light? Do doubts keep creeping into your mind? We understand because we’ve already gone through the whole process of researching 300w Led Grow Light, which is why we have assembled a comprehensive list of the greatest 300w Led Grow Light available in the current market. We’ve also come up with a list of questions that you probably have yourself.


We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 300w Led Grow Light that you consider buying. Your questions might include the following:

  • Is it worth buying an 300w Led Grow Light?
  • What benefits are there with buying an 300w Led Grow Light?
  • What factors deserve consideration when shopping for an effective 300w Led Grow Light?
  • Why is it crucial to invest in any 300w Led Grow Light, much less the best one?
  • Which 300w Led Grow Light are good in the current market?
  • Where can you find information like this about 300w Led Grow Light?

We’re convinced that you likely have far more questions than just these regarding 300w Led Grow Light, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.


Potential sources can include buying guides for 300w Led Grow Light, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best possible 300w Led Grow Light. Make sure that you are only using trustworthy and credible websites and sources.


We provide an 300w Led Grow Light buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 300w Led Grow Light currently available on the market.


This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:


  1. Brand Value: Every brand of 300w Led Grow Light has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 300w Led Grow Light?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: his simply is how much bang for the buck you get from your 300w Led Grow Light.
  5. Customer Ratings: Number ratings grade 300w Led Grow Light objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 300w Led Grow Light.
  7. Product Quality: You don’t always get what you pay for with an 300w Led Grow Light, sometimes less, and sometimes more.
  8. Product Reliability: ow sturdy and durable an 300w Led Grow Light is should be an indication of how long it will work out for you. .

We always remember that maintaining 300w Led Grow Light information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.


If you think that anything we present here regarding 300w Led Grow Light is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us page.

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