Best 300W Led Grow Light Reviews and Buying Guide 2022

best-300W Led Grow Light
Let's be honest here! Most of our priority went into user experience and feedbacks. Before picking any 300W Led Grow Light, we collected that info and checked whether it matched with what the manufacturers claimed about their offering or not. We scanned and tried to put priority on the price vs quality factor. Even if an item promised a good overall performance, we did not include the set in our BEST 300W Led Grow Light list if it lacked the quality.

Follow This Table For Quickly Selection A Best Product

Best 300W Led Grow Light in 2022

SaleBestseller No. 1
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. 2
2022 Upgraded MARS HYDRO 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. 3
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. 4
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.
SaleBestseller No. 5
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
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
MARS HYDRO FC3000 Samsung Grow Light, 300Watt Led Grow Lights for Indoor Plants, 4 Bar with 896Pcs Diodes Samsung LM301B & UV IR, Full Spectrum Daisy Chain Dimmable Light for 3x3ft Grow Tent
  • MAXIMIZE YIELDS & CROP QUALITY - MARS HYDRO FC 3000 grow light with -Samsung LM301B & Osram 660nm Diodes, boast the market-leading efficiency 2.85 µmol/J, Max 3g yield per wattage with 30% higher Average PPFD, get 50% greater yield & quality compared with the old lights! Only consumes 300Watt, perfect for 3x3ft grow tent/ grow room.
  • DIMMABLE DAISY CHAIN - Rotate dimming button easily to adjust the brightness suit for the plants growth states. The daisy-chain function allows you to connect up to 30 FC 3000 LED growing lights - dimming multiple lights simultaneously. Widely applied in the commercial growing horizontal and vertical, greenhouse cultivation, pipeline cultivation, hydroponics.
  • GROW LIGHT FULL SPECTRUM - High-intensity spectrum with enhanced red(3200-4200K,4800-5000k, 650-665nm) is perfect for veg to bloom, to adapt to each phase of the plant cycle. The dimming knob is ideal for growers to adjust the light intensity according to different growing stages.
  • FREE INSTALLATION - Open and use, 4 passive-cooled bars,aluminum heat-sink,fanless zero noise design,offers even & broad canopy coverage,maximizes grow space, best high returns led grow light for 3x3ft grow room of high-yielding full-cycle growth.
  • 5 WARRANTY SERVICE - US local repair center makes your purchase worry-free, any problem or question, feel free to contact our customer service first.
Bestseller No. 8
2022 Upgraded 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
  • 2022 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.
Bestseller No. 9
Grow Lights for Indoor Plants, Full Spectrum 420 LED Plant Lights for Seed Starting, 300W Plant Growing Lamp, Auto On/Off Timer 4/8/12 H Auto Cycles, 9 Dimmable Levels, Adjustable Gooseneck
  • 【EFFICIENT ORANGE & BLUE & RED/BLUE SPECTRUM】Our plant light specially designed for plant growth. Orange light light not only helps bloom and bear fruit better, but grows color and seeding better, blue light helps stems and leaves, and mixed helps plants photosynthesis.
  • 【HIGHLY EFFICIENT FULL SPECTRUM】Grow lights for indoor plants, Four-Head Double-row designs, the whole lamp is composed of 420 LED high-brightness lamp beads.Most suitable for planting solutions, gardening, greenhouses, home balcony sowing/seedling/breeding, flower exhibitions, potted plants, especially when the plants need extra light on rainy days, snow, indoor darkness, etc.
  • 【AUTO TURN ON/OFF & 3 CYCLE TIMEING MODES 】There is a Timer function where you can set when and how long indoor plant lights will automatically go on and off. 4, 8, and 12 hour automatic cycles. (Note: Auto cycle needs to maintain power!)Even you're on the travel, these grow light strip will still take good care of your plants every day!
  • 【STURDY & FLEXIBLE】Equipped with stable, durable tripod stand and can be adjusted from 15” to 63”, suitable for more different size house plants. and the gooseneck are flexible but stiff enough to hold the weight of the lights.Ideal for Small or Large Indoor Plants, Herb Gardens.The light offers your plants sunlike lights, good to grow flowers, seeds, succulents, peppers and so on.
  • 【MULTI-FUNCTION】9 levels of dimming which helps you to manage the level of heat that your plants receive. The led grow light can be control which of the grow lamp come on,so you can turn on 1, 2, 3, or all 4 lights.Free to choose the most suitable brightness for our plant growth. Plants grow about 5 times faster than natural.
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.
Bestseller No. 11
Bloom Plus Latest XP3000 LED Grow Light with Samsung LM301B Diodes 4x4 ft Coverage Dimmable Full Spectrum 300W Grow Light for Indoor Plants Veg and Bloom Hydroponic Growing Lamps with 652pcs LEDs
  • TOP PERFORMANCE & HIGH EFFICACY: Bloom Plus upgraded XP3000 LED growing light use the latest high-efficiency (2.7 umol/J) LED plant light technology - Samsung LM301B Diodes for extremely high output, increase the yield of crops and save operation cost, generates more usable lighting per watt, and provides better light canopy penetration.
  • LESS ENERGY CONSUMPTION: Comparable to traditional 600W HPS/MH, XP3000 Plant Grow Lamp consumes only 300Watt with 652 pcs LEDs! Get 50% higher yield harvest and save costs. Perfect for core coverage 4x4 ft. Adjust the height and brightness properly to meet your plants desired level for optimal growth.
  • ADVANCED FULL SPECTURM & DIMMABLE KNOB: Delivering optimal light-spectrum coverage - 650-665nm Red Lights ,2800-3200K warm lights, 4800-5000K white lights ,730-740nm IR lights, best for all stages growing from seed to flower, increase yield & crop quality‎. XP3000 LED indoor growing lamp has a dimming knob that makes it adjustable to different growing periods for your plants; It can adapt to the growth needs of different plants in different periods.
  • SILENT OPERATION & SOLID CONSTRUCTION: Fanless LED grow design will make your growing life quiet. Large areas of solid aluminum heat sinks help you to achieve the ideal cooling system. Adopts high performance power supply driver to achieve high PAR output, longer lifespan to speed up plant's grow processes and boost yields while saving you on your energy bill.
  • 100% SATISFACTION GUARANTEED---The Bloom Plus LED Grow Lights offers a 30-day money-back guarantee and a trusted 3 years warranty. Professional U.S. local after-sales service provides you with the most convenient shopping experience. Make sure you purchase authentic Bloom Plus grow lights. If any questions, please feel free to contact us by email.
SaleBestseller No. 12
Led Grow Light,300W Grow Lights for Indoor Plants Full Spectrum with Auto On/Off Timer Brightness Settings for Hydroponics Indoor Garden Greenhouse.Indoor Plant Grow Light with Daisy Chain Function
  • 【Led Grow lights with Auto On/Off Timer】Always forget to switch on/off the indoor plant light for indoor plants? This full spectrum led grow lights for plants offer 1-20H auto turn on/off function。The plant grow light lamp will turn it on by itself every day as your setting, there is no worry about plant withering when nobody at home.grow lights for indoor plants will be restarted automatically the next day without manual operation.
  • 【Full Spectrum LED Grow Light】Full spectrum led grow lights for plants is composed of 7 different wavelengths of lamp beads with different wavelengths,including UV and IR lamps.This led grow lights for indoor plants allows us to actually provide plants with ample light, IR and UV lamp can better promote plants to defense mechanisms,and promoting plant healthy growth.NOTE :The UV and IR LEDs are particularly DIM,it is Normal.
  • 【3 Modes & Rremote Control】Led Grow Lights for Indoor Plants with 4 Dimmable Levels 3 Modes to suit varied stages of plant growth.These indoor plant lights has 4 levels of light intensity and grow lights has 3 spectral modes to meet different stages of plant-growing needs.You can turn on/off the indoor grow lights by remote control,and also change the led grow lights intensity, depending on the growth stage.
  • 【High-quality Led Grow Lights】XICENAIVEI led grow lights for indoor plants use aviation-grade aluminum for heat dissipation,No Fan ZERO Noise.Plant light for indoor plants can be used for both hydroponics and indoor plants in soil, such as orchid, potatoes, lettuce, chili, tomatoes,etc.
  • 【Best Consumer Service】A 2-year warranty plus a full refund within 30 days since the day of purchase for no reason. 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. 13
2022 Upgraded SAMPHON Smart LED Grow Light 300W with 1192pcs Diodes 3X3ft Full Spectrum LED Grow Lights with Digital Screen, 5 Memory Timer, Dimmable Light for Indoor Plants Seeding Veg and Flower
  • HIGHER YIELD & LOWER COST: Equipped with 1152pcs LED diodes and 40pcs Osram red diodes (total 1192 pcs) and 4 led grow light bars, this plant grow light delivers PPF Efficacy up to 2.7 umol/J powerful light output and uniform canopy penetration to maximum crop harvest. Only consumes 300Watt, 3x3 grow light for full-cycle growth of all indoor plant for maximum higher yields but lower cost.
  • TUNABLE FULL SPECTRUM & EXCLUSIVE BLOOM SPECTRUM: With BLOOM Function, you can choose the optimal spectrum. V1 full spectrum(380-410nm, 660-665nm, 730nm, 4200K, 4800-5000K) is suitable for the full-cycle growth of plant, while the unique F1 bloom spectrum is specially designed for the flowering and fruit stages of plants, this full spectrum grow light can accelerate the photosynthesis of plants and shorten the growth cycle, allowing you to get maximum yields in the shortest time.
  • 5 MEMORY TIMING FUNCTION: Designed with a periodic auto cycle ON/OFF memory timing function, this grow light with timer can stay on for 6/8/12/14/16 hours, then auto turn off for 18/16/12/10/8 hours, auto ON/OFF at the same time daily. No need to restart the tent lights manually. Within 30 minutes of timing ON/OFF, the plant lights will simulate the light gradual effect of the sun rising or setting process. Reduce the wastage of forgetting to turn off the lights and your working time.
  • HD Digital Screen: Adopts the latest high-definition energy parameter screen design, which clearly displays the timing, PPF, electric power and light intensity. This digital display allows the user know well about the indoor grow lights status so that growers can adjust the best state of the plant lights for indoor growing in time to meet the needs of plant growth and improve the yield and quality of plants.
  • DIMMABLE DAISY CHAIN: Rotate dimming button easily to adjust the dimmable led grow light brightness(40%/60%/80%/100%) suitable for the plants growth states. The daisy-chain function allows you to connect up to 50 indoor plant lights, beneficial both for home growers and commercial growers, suitable for grow tents, indoor warehouse, vertical racks, hydroponic and soil growth. With a trusted 36-month warranty, please feel free to contact us anytime you need help for this full spectrum lamp.
Bestseller No. 14
GROPLANNER 300 Watts LED Plant Light 1512pcs LEDs Veg and Flower High Efficacy 2.75 μmol/J
  • 【1512pcs LEDs, HIGHER YIELDS】Actual power draw 300W with 1512pcs LEDs. The LEDs quantity of Groplanner LED grow light is twice as many as other brands with same power. High PPE up to 2.75 umol/J. You can get a high yield of 2.7g/watt. ( Standard 2.7 lbs by Groplanner 450 Watts ). This grow light makes you get 30% higher yield compared with other normal products.
  • 【FULL SPECTRUM, ALL GROWTH STAGES】The full spectrum optimized and complete plant development for all growth stages from seed to flower. White 3000K and Blue 5000K promote the vegetative growth of your plants. Added Plant Red 660nm LEDs and 760nm IR could speed up the flowering and fruiting stage and promote plants to produce higher yields.
  • 【APP CONTORL, FORGET TIMER】Groplanner LED grow lights provides Intelligent and convenient control with WiFi capability. Switch, timing and dimming function could be easily implemented by “Tuya Smart” app. The family group mode will help you connect multiple grow lights and control the lights uniformly or independently. You can get a flexible growth solution for each growing phase.( Maximum 8pcs for a common domestic router. )
  • 【GET SAFETY, LESS TROUBLE】Larger heat dissipation area. Faster heat conduction performance. Groplanner 300 WattsLED plant light ensures the plant growth get free of risk on overheating in the planting area. The flexible modular lighting system could maximizes the grow space for higher crop yields and better quality. You've got more Plug and Play for more simple setups.
  • 【3 YEARS WARRANTY, 7*12 SERVICE】 The best quality from Groplanner professional R&D team and production-direct factory. Long life of 60,000 hours and 3 years of after-sales service will get you free of replacement trouble on LED plant light.7*12 call ( East Time 9:00AM-9:00PM )& 7*24 e-mail service, we are always here to support you!
Bestseller No. 15
Mogobe 300W LED Grow Light with MeanWell Driver 3x3ft Coverage for Indoor Plants & Hydroponic Plants, Sunlike Full Spectrum,1056 Diodes LED Grow Lamp with Dimming Daisy Chain, Octopus300
  • EVEN PPFD COVERAGE: It's Hard to Make a Led Grow Lamp Cover Every Corner of Your Growing Area with A Traditional Design. So We Made this Octopus300-- 300W Led Grow Light with an Extendable Arm. It can Extend or Close As You Like with The Aim to Put More Ppfd Around the Plant and to Better Cover Different Tent Sizes. Also, We Extend The Power Cord to 14.7Ft to Increase the Distance From Your Led Grow Light to the Plug.
  • LOW COST & HIGH EFFICIENCY: The Fixture is Drawing Only 300W from the Wall which Consists of 1056 Pcs of 1 Wattage of 3030 Ledestar Diodes, Offering a High Efficacy (2.66 Μmol/J @ 110V Ac, 12'' Height) and Ppf 798 Μmol/S with A 300W Meanwell Driver. Every Led Grow Light Consists Of 3000K Warm White, 5000K White, 660Nm Deep Red which Allows it to Provide a Sunlike Full Spectrum of Led Grow Light Perfectly Tuned For Plants. They End up Producing Better Yields Comparing to Hid/Blurple/Hps Lamps.
  • LOW HEAT & LONG LIFESPAN: Thermal Conductivity of Our 4Mm Thickness Aluminum Panel is 2.0, to Prevent Overheating Problems, We Make a Metal Protective Cover For a Dimmable Daisy Chain. All the Screws We Use are with High Temperature Resistant Anti-Loosening Glue. This can Have a Longer Lifespan than the Normal One. And We Have a 4-Year-Warranty.
  • EASY MOUNTING HOOKS & PROTECTIVE FOOTPADS: Quite a Few People Complain About How Hard to Keep the Light in Position. We Provide Mogobe Patented Hooks to Fix It. You Can Mount the Light Easily and Keep it in Position with Mogobe Patented Hooks. We Embed 4 Protective Footpads on the Panel, Which Can Protect the Lamp from Scratching it When You Put it Down.
  • UPGRADED DIMMABLE DAISY CHAIN: We Made a Metal Protective Cover for it to Help Heat Dissipation. Adjustable Brightness from 0%~100% Makes it Adaptable to Different Growing Periods of Your Plants from Seedling, Veg, And Bloom. It can Support Up to 20 Grow Light Connected at the Same Time.

Thing to Consider Before When Buying 300W Led Grow Light

If getting the 300W Led Grow Light is what you aim for, just the reviews will not be sufficient. To properly scrutinize the offering, you would also need to keep a couple of essential factors in mind. And the factors that we are referring to here are:

Build Quality

The first thing that you would need to consider is the build quality. Here, the better the build quality, the better the performance will be. Also, a better build also means a higher lifespan. In other words, the ones that feature the construction of high-quality materials will last for an extended amount of time.

Brand value:

A popular brand always provides the best quality product. That's why when we want to select a product we must focus on reputed brands.

Feature and specification:

We know one thing; everyone wants in products update feature and best specification. We are trying to make a list with higher Features and specifications for customer satisfaction.

Customer Ratings:

The customer gives a rating after satisfaction. So customers rating is also the most important thing that we take into consideration while choosing the best products.

Customer Reviews:

Ratings can be manipulated and we don't think this could be the only thing considered. To avoid mistakes, we consider going through real users reviews to select the best Brake pads for slotted rotors.

Value for money:

An expensive product may not be always good. Rather, it could be like wasting your money. We always keep this in mind and avoid over-priced Brake pads for slotted rotors products on the list.

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Also, we are taking help from the Ai system because AI is helping us save time, still, we are human beings working behind the scene to ensure satisfaction for our readers.

The products aren't picked randomly. We research products and make the best product list following perfect criteria. So, you can purchase it with trust. Thank you.


This guide should provide everything you need to know before you purchase the best 300W Led Grow Light. Hopefully, after reading this, you are now more educated, and you can make smart trade-offs when and where you need them. Read the guide, take a look at the list we have compiled and choose one that suits your need. If you follow our list, you would indeed be laying your hands on one of the parfect 300W Led Grow Light.

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