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The Best 300W Led Growlight of 2022 – Reviewed and Top Rated

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

2,422 Reviews Scanned

Rank 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.
Rank No. #2
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
SaleRank No. #3
MARS HYDRO 2024 New TSW2000 Led Grow Light 300 Watt Dimmable Daisy Chain Full Spectrum Growing Lamps for Indoor Plants Seeding Veg Bloom Light for 3x3/4x4ft Coverage
  • 2024 Upgraded TSW2000 LED Grow Lights: Experience the advantages of our new diode layout, densely packed in the center and sparse on the sides. This arrangement creates a more uniform light distribution between the center and sides, ensuring the most even PPFD distribution and maximizing plant yield. These meticulous design details make the TSW 2000 300W grow light ideal for any stage of plant growth in 3x3ft for flower and 4x4ft for veg.
  • Wider Range & Stronger Light: The 120° angle white reflector design on Mars Hydro TSW2000 led grow light is patented, allows for wider coverage and increased light intensity, aiding plants in better light absorption. Boasting an actual power of 300W, the TSW2000 delivers robust performance, while other model 2000 from other brands only delivers 200 watts or less.
  • Dimmable and Daisy Chain: With an independent dimming button on the external driver, this growing lamp allows you to adjust the brightness from 0 to 100% according to the specific growth stage of your plants. Additionally, it supports daisy chaining of up to 50 LED lights, seamlessly connected in a chain. The auto-sensing power supply is compatible with 120VAC, 240VAC, and 277VAC, making it suitable for both large-scale setups and personal settings.
  • Save Money and Energy: Mars Hydro's advanced SMD LED technology offers the highest PAR/LUMEN output while consuming only 300W with 704 LEDs, resulting in up to 50% energy savings compared to other grow lights for indoor plants, providing an additional 60% return compared to old HPS/MH lights.
  • Sunlike Full Spectrum LED: TSW2000 full spectrum growing light features 730-740nm Red IR/3200-4200Knm/5200-6800Knm spectra, providing the best light for all plant stages. Rapid plant response from seed to flower, and an increase in yield and crop quality‎. Over 90% light energy can be absorbed by plants.
SaleRank 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.
Rank No. #5
SANSI LED Grow Lights for Indoor Plants, 300W Full Spectrum Clip-on Gooseneck Grow Light with Ceramic Technology, 20W Power Plant Light with Optical Lens for High PPFD, Lifetime Free Bulbs Replacement
  • Higher Growing Power & Energy Saving: SANSI Grow lights offer high growing power of PPF: 33.6μmol/s, PPFD:195.82 μmol/s/㎡@1ft. Through the lens for secondary scientific light distribution, improves light utilization, giving plants more supplementary light. Using only 20 watts of power, equivalent to 300W incandescent bulbs. Based on 18 hours per day usage, save up to 90% electricity, annual estimated cost $13.14.
  • 360° Gooseneck & Full Spectrum: Making every plant covered by 360° surrounding light, actualize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm, suitable for every cycle of plant growth, effectively promote plant growth, and improves crop yield and quality. Providing 4000K daylight, color rendering index Ra is close to 100, infinitely close to natural light.
  • Replaceable bulbs: Different from similar products on the market, the bulbs of this product can be replaced, which not only facilitates customers to replace broken bulbs at any time but also avoids wasting money to repurchase the whole grow light. Saving money and protecting the environment. Additionally, whole-life warranty for the bulb.
  • Patented Ceramic Technology: Chip on Ceramic, SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, and directly solder the LED chip on the ceramic heat sink, effectively reducing the systematic thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, producing a SANSI bulb with higher light efficiency.
  • Guarantees: ETL listed & CE certification, quality and safety verified, 25,000 hours lifespan and whole-life warranty for the bulb. Attention Please: The maximum safety wattage rating is 10 watts for each head.
Rank No. #6
MARS HYDRO FC-E3000 300Watt LED Grow Light 3X3ft 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 GROW LIGHT: With Yield Max spectrum (660nm Osram enhanced Deep Red,2800k-5000knm 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!!
Rank No. #7
Spider Farmer SE3000 Bar Style LED Grow Lights 300W with 896Pcs Samsung LM301B Diodes 3x3ft Coverage Full Spectrum UV IR 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.
Rank No. #8
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.
Rank No. #9
GROESTAR Growstar 150W Led Grow Light, Full Spectrum UV & IR Plant Light with High Par Value COB Grow Light for Indoor Greenhouse Plants Gardening, Flowering
  • 🌱[Eco-friendly Products and Energy Saving] – Black Friday Cyber Monday, Growstar spent more costs on product quality, safety factors, environmental impact. Compared with the traditional HPS grow light, this 150w LED grow light helps you save more energy and money.
  • 🌻[Advanced LED Chips & Full Spectrum] 3000k High Par Value COB LED Grow Light 150W uses LED chips which is one of the best white grow light quality. 380-760nm Advanced full spectrum include UV&IR, the complete and ultra-efficient spectral provides plants Veg and Flower all stages growth, increase the Par Value and yield of plants.
  • 🌱[Powerful Cooling Fan System]All our led grow lights have passed temperature test before leaving factory. Built-in aluminium heat-sink and aircraft-grade high heat-conducting aluminum case, which can quickly emit the heat from the lamp inside to outside, keep the LEDs cool and extend the light service life. The aluminum shell will be a little hot when the light is working, but don't worry, it is normal phenomenon.
  • 🌻[Scientific and Effective 90 to 120 degree Angle Design] This COB plant grow light with 90 to 120 degree angle creates a wilder lighting area and increases brightness level, and makes a great improvement on output.
  • 【100% Satisfied After-sale Customer Service】Each of Our led grow light has passed strict inspection before they leave the factory.If there is any problem or you are not satisfied 100%,please feel free to contact us by contact way on the product at once. Enjoy this absolutely RISK FREE purchase by clicking the yellow Add to Cart button.
Rank No. #10
SANSI LED Grow Lights for Indoor Plants, 300W Full Spectrum Clip-on Gooseneck Grow Light with Ceramic Tech.,20W Power Plant Light with Optical Lens for High PPFD, Lifetime Free Bulbs Replacement White
  • THE SECONDARY OPTICAL DESIGN: PPF: 33.6μmol/s, PPFD:195.82 μmol/s/㎡@1ft. Through the lens for secondary scientific light distribution, improves light utilization, giving plants more supplementary light. Using only 20 watts of power, equivalent to 300W incandescent bulbs. Based on 18 hours per day usage, save up to 90% electricity, annual estimated cost $13.14.
  • 360° GOOSENECK & FULL SPECTRUM: Making every plant covered by 360° surrounding light, actualize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm, suitable for every cycle of plant growth, effectively promote plant growth, and improves crop yield and quality. Providing 4000K daylight, color rendering index Ra is close to 100, infinitely close to natural light.
  • REPLACEABLE BULBS: Different from similar products on the market, the bulbs of this product can be replaced, which not only facilitates customers to replace broken bulbs at any time but also avoids wasting money to repurchase the whole grow light. Saving money and protecting the environment. Additionally, whole-life warranty for the bulb.
  • PATENTED CERAMIC TECHNOLOGY: Chip on Ceramic, SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, and directly solder the LED chip on the ceramic heat sink, effectively reducing the systematic thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, producing a SANSI bulb with higher light efficiency.
  • GUARANTEES: ETL listed & CE certification, quality and safety verified, 25,000 hours lifespan and whole-life warranty for the bulb. Attention Please: The maximum safety wattage rating is 10 watts for each head.

Last update on 2022-12-10 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best 300W Led Growlight?

Do you get stressed out thinking about shopping for a great 300W Led Growlight? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching 300W Led Growlight, which is why we have assembled a comprehensive list of the greatest 300W Led Growlight 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 Growlight that you consider buying. Your questions might include the following:

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

We’re convinced that you likely have far more questions than just these regarding 300W Led Growlight, 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 Growlight, 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 Growlight. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 300W Led Growlight 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 Growlight 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 Growlight 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 Growlight?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 300W Led Growlight.
  5. Customer Ratings: Number ratings grade 300W Led Growlight 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 Growlight.
  7. Product Quality: You don’t always get what you pay for with an 300W Led Growlight, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 300W Led Growlight is should be an indication of how long it will work out for you.

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

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