Skip to content
ThinkGrow ICL - 300 Under Canopy Full - Spectrum LED Grow Light Bar - Green Thumb Depot
ThinkGrow ICL-300 Inner Canopy Full-Spectrum 120 Watt LED Grow Light Bar

ThinkGrow ICL-300 Inner Canopy Full-Spectrum 120 Watt LED Grow Light Bar

See more by ThinkGrow
SKU: ICL-300

Official Distributor

$175.75
Preview Icon

An Important Note on Pricing and Returns:

We believe in upfront pricing and fair policies—no hidden fees, no surprises, and easy, transparent returns. If you're comparing options, we encourage you to review competitors’ fine print carefully.

We've helped countless customers who had issues elsewhere, and we’re here to make sure that never happens to you.

Or

Monthly payments start at:

$4.88/mo

Learn More

Check Icon

Monthly Payment Start at:

$4.88/mo

Learn More

Contact us about commercial pricing
Voltage

Notify me when back in stock

Free Shipping

On most orders

Call Us

(833) 416-0375

Mon-Fri 9am-6pm CST

Best price, guaranteed

Contact us to unlock it

No Sales Tax

Absolutely no tax on any purchase

Easy Returns

Always hassle free

Free Shipping

Lowest Price Gurantee

No Sales Tax

Easy Returns

The ThinkGrow Model One Inner Canopy LED Bar, featuring a 120W built-in driver, transforms high-density indoor growing. Traditional overhead lighting often leaves lower canopy sections underlit, impacting yield quality. The ICL-300 solves this with 300-degree light emission, delivering essential illumination directly to the lower and middle plant structures for improved growth and healthier flowers. Its modular design adapts to any grow space, while optional stands and daisy-chain cords simplify setup and positioning, ensuring optimal light distribution throughout your plants.

Is the ThinkGrow ICL-300 Inner-Canopy Full-Spectrum LED Grow Light Bar Right for Me?

The ThinkGrow ICL-300 is a game-changer for indoor growing, designed to solve the common issue of uneven light distribution in traditional setups. By emitting light in a 300-degree pattern, it ensures lower and mid-canopy sections receive optimal illumination, boosting plant health, flower quality, and yield.

Features & Benefits

Specifications

What is included?

Warranty & Returns

Features

Maximize Growth, Enhance Efficiency

The ThinkGrow ICL-300 Inner-Canopy Full-Spectrum LED Grow Light Bar revolutionizes indoor cultivation with its 300-degree light distribution, designed to target the middle and lower plant canopy for enhanced growth and yield. Combining full-spectrum LEDs, including white, red, and deep red light, it ensures even illumination across the entire plant structure.

Enhanced Cooling

Customizable Light Output

Dynamic Spectrum Control

120 Watts Built-In Driver

Wide PAR Distribution

Optimized Energy Use

Benefits of Under Canopy LED Lights

Under Canopy LED lighting enhances light penetration to shaded lower areas of your plants, supporting even growth and boosting yields. These energy-smart LEDs operate with minimal heat, promote healthier plants, and install easily in any grow environment—making them an efficient choice for serious cultivators.

Quick Response

Instant on/off lets you precisely manage your grow cycles.

Balanced Spectrum

Full-spectrum output supports strong and healthy plant development.

Low Heat Impact

Minimizes stress on plants while maintaining ideal grow temperatures.

Effortless Setup

Simple to install and manage—perfect for any grower level.

Targeted Illumination

Delivers light where it's needed most—under the canopy.

Energy Efficient

Consumes less power while maximizing growth output.

Built to Last

Rugged and reliable—crafted to withstand grow room conditions.

Consistent Results

Provides stable light output to support plant health over time.

wetanddry

Why ThinkGrow

ThinkGrow LED grow lights stand out for their innovative technology and proven results. They prioritize controllability and integrate with TrolMaster systems, catering to both hobbyists and industrial facilities. Emphasizing energy efficiency, full-spectrum design with UV, and adjustable spectrum channels, ThinkGrow offers a top-tier solution for plant growth. Their dedication to quality and customer satisfaction distinguishes them in the horticultural lighting market.

wetanddry

Spectrum matters

The ThinkGrow ICL-300 Inner-Canopy Full-Spectrum LED Grow Light Bar is engineered to provide plants with the essential wavelengths they need for every growth stage. Its full-spectrum design, including white, red, and deep red light, ensures enhanced photosynthesis and healthy flower development. By mimicking the benefits of natural sunlight, the ICL-300 optimizes growth within the canopy, resulting in vigorous indoor plants and increased yields.

Uniform Light Distribution

Provides even and uniform light coverage to ensure all plants receive adequate illumination.

Customization

Allows for convenient control and customization of lighting schedules and settings.

Energy Efficiency

Designed to minimize energy consumption and heat production, resulting in cost savings and a cooler growing environment.

Customer Reviews


Trusted by authentic customer reviews from verified buyers worldwide.
If I could rate 6 stars I would!
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Jim D
Customer service was outstanding great…
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I’ll definitely order from them again
Glenn Appleton
The machine is doing just what my…
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we’re starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Freddie
Fantastic
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
Kar
←
→


Why Thousands of Growers Choose to Work Exclusively with Greenhouse with plants

Green Thumb Depot Logo

Them Green Thumb Depot Logo

icons-no Support
icons-no Nearly impossible to reach a real person. Endless chatbot loops, auto-replies, and unreturned emails.
icons-no Real humans. We answer quickly. Always here, always helpful
icons-no Order Processing
icons-no Orders often sit for days before being acknowledged. No clear confirmation, updates, or timelines.
icons-no Orders are processed immediately. You'll receive confirmation, tracking, and real-time updates within hours.
icons-no Shipping
icons-no Slow, vague, and unoptimized. Basic carriers, minimal tracking, and delayed delivery windows.
icons-no Fast, insured, and fully trackable shipping — optimized for speed and visibility every step of the way.
icons-no Pricing
icons-no Hidden fees, bait and switch tactics, post purchase price increases.
icons-no Our relationships guarantee the lowest prices. Transparent and fair. No surprises at checkout, and no shady tactics after the sale.
icons-no Returns & Warranty
icons-no Hidden fees, bait and switch tactics, post purchase price increases.
icons-no Clear, honest, and fast. Our return policy is built to protect your investment, not dodge responsibility.
icons-no Support
icons-no Frustrating automated responses
icons-no Fast, helpful and always supportive
icons-no Order Processing
icons-no Delays and lack of communication
icons-no Instant processing and updates
icons-no Shipping
icons-no Slow, unreliable and delayed service
icons-no Fast, insured, trackable shipping
icons-no Pricing
icons-no Deceptive pricing practices
icons-no Lowest prices, no surprises
icons-no Return & Warranty
icons-no Frustrating, misleading return policies
icons-no Clear, honest return policy

FAQ Section

How much power does the ThinkGrow ICL-300 consume?
The ThinkGrow ICL-300 consumes 120 watts of power.
What is the light spectrum of the ThinkGrow ICL-300?
The ThinkGrow ICL-300 features a full-spectrum light, optimized for vegetative and flowering stages, with white, red, and deep red wavelengths.
How is the ThinkGrow ICL-300 cooled?
The ThinkGrow ICL-300 uses a passive cooling system for efficient heat dissipation and silent operation.
Can the ThinkGrow ICL-300 be used for all plant growth stages?
Yes, the full-spectrum light of the ThinkGrow ICL-300 supports both vegetative and flowering stages effectively.
Is the ThinkGrow ICL-300 compatible with a stand or adjustable setup?
Yes, it can be paired with the ThinkGrow TSD-1 stand, enabling adjustable placement and height customization within the canopy.
Can multiple ThinkGrow ICL-300 lights be connected?
Yes, the ThinkGrow ICL-300 supports daisy-chaining for easy scalability in larger grow setups.
Does the ThinkGrow ICL-300 have dimming functionality?
No, the ThinkGrow ICL-300 does not have dimming capabilities, but its light output is optimized for efficient canopy penetration.

Specifications

SPECS & DIMENSIONS

Weight 6.17lbs /2.8kg
Dimension 46.21"(L) x 3.60"(W) x 2.64"(H)
LED Light Spectrum Full Spectrum
Warranty 5 Years

MATERIALS & POWER

Voltage and Curren

  • LED grow lights usually operate at standard household voltages (e.g., 120V or 240V) and draw current accordingly.

LED Diodes

  • High-quality LED diodes are at the core of LED grow lights.

Power Supply

  • LED grow lights come with power supplies or drivers that convert the incoming electrical voltage to the specific voltage required for the LED diodes to operate

Led Lights

Dimmability

  • Some LED grow lights offer dimming capabilities, allowing users to adjust the light intensity and power consumption to match the needs of their plants at different growth stages..
Specification
Model ICL-300
Input Power 120W
Voltage 100-277VAC, 50/60Hz
PPF 314 umol/s
Humidity 5~95%RH
Lifetime L90: >54,000 hours
Temperature Range 32-104°F (0-40°C)
Dimensions 46.21"L x 3.60"W x 2.64"H
Weight 6.17 lbs (2.8 kg)
IP Rating IP56
Warranty 5 years standard warranty
Tech Sheet PDF
Installation PDF

What is Included?

What’s in the box.

  • Inner Canopy LED Bar with Built-in Driver (x1)
  • Mounting Hooks (x2)
  • Adjustment Knobs (x2)

Warranty Policy

Please note that all sales are final in accordance with our company policy. As an authorized distributor, we are only able to process RMA warranty replacements and cannot accept returns, refunds, or exchanges. However, if you experience any technical issues with your product, our team is always happy to assist and work toward a prompt resolution.