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GrowPros Solutions - 4' Clone Bar 2 Pcs per Pack For Seedling Clone Vegetative Stage - Green Thumb Depot
GrowPros Solutions 4' Clone Bar 30 Watt 2 Pcs per Pack For Seedling Clone Vegetative Stage

GrowPros Solutions 4' Clone Bar 30 Watt 2 Pcs per Pack For Seedling Clone Vegetative Stage

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SKU: GPS-CT-ST-4FT

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$59.95
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The GrowPros Solutions 4' Clone Bar (2-Pack) is a specialized LED grow lighting system designed to support plant propagation, seedling growth, and early vegetative development. Built as a modern replacement for traditional T5 fluorescent propagation lights, these slim LED bars provide efficient illumination while consuming less energy and generating minimal heat.

Each pack includes two 4-foot LED clone bars, engineered with a balanced spectrum of full-spectrum white, blue, and red wavelengths to promote strong root development, compact growth, and healthy plant structure during the earliest stages of cultivation. This optimized spectrum helps young plants establish a strong foundation before transitioning into the vegetative and flowering phases.

Designed for modern indoor growing systems, the clone bars feature a low-profile design that fits perfectly in vertical farming racks, propagation trays, and multi-tier shelving systems. The fixtures also support easy daisy-chain connectivity, allowing multiple bars to be connected together efficiently for larger propagation setups.

With adjustable 18W or 30W power output per bar, growers can customize light intensity depending on plant requirements. The durable aluminum heat sink and protective PC cover provide excellent heat management and long-term reliability, ensuring consistent performance in professional cultivation environments.

Ideal for commercial growers and hobby cultivators alike, the GrowPros Clone Bar provides uniform, gentle lighting that helps improve seed germination, cloning success rates, and early plant health.

Key Features

  • 4-foot LED clone bars – 2 lights per pack

  • Designed for seedlings, cloning, and early vegetative growth

  • Full spectrum lighting with blue and red wavelengths for healthy plant development

  • Selectable power: 18W or 30W per bar for flexible intensity

  • Slim, low-profile design ideal for vertical farming racks and propagation trays

  • Daisy-chain capability to connect multiple bars easily

  • Aluminum heat sink for efficient thermal management

  • Durable PC protective cover for high light transmission and easy cleaning

  • Suitable for seed starting, cloning, microgreens, tissue culture, and propagation systems

Is the Clone Bar a Smart Choice?

The GrowPros 4' Clone Bar is designed for early-stage cultivation, delivering full-spectrum lighting with blue and red wavelengths to support seedlings, clones, and vegetative growth. With a compact 4-foot bar design and efficient low-watt output, it provides uniform light distribution, gentle intensity, and stable performance for delicate plant stages. Built with a slim profile and durable construction, it ensures reliable operation, making it ideal for propagation racks, vertical systems, and controlled indoor growing environments.

Features & Benefits

Specifications

What is included?

Warranty & Returns

Features

Efficient Early-Stage LED Growth Performance

Designed for propagation and nursery growers, the GrowPros 4' Clone Bar delivers balanced spectrum lighting to support seedlings, clones, and vegetative plants. With a compact 4-foot bar design and two fixtures per pack, it provides gentle light intensity, even coverage, and efficient performance. Built for reliability and space-saving installation, it supports consistent root development, healthier young plants, and dependable growth in propagation racks and indoor cultivation environments.

Gentle Light Output

Slim Bar Profile

Optimized Clone Spectrum

Daisy Chain Capability

Uniform Light Spread

Low Heat Emission

Benefits of LED Grow Lights

LED grow lights offer numerous benefits for plant cultivation. They are energy-efficient, customizable in spectrum, emit minimal heat, and have a long lifespan. These qualities reduce costs, enhance growth, and promote environmentally friendly and low-maintenance cultivation practices.

Instant On/Off

It allows precise control over light cycles.

Full Spectrum Lighting

This promotes healthier and more robust plant growth.

Low Heat Emission

This reduces the risk of heat stress and saves them from damaging

Easy Installation

LED grow lights require less maintenance, saving you time and effort.

Optimized Light Output

Allows you to adjust the light spectrum to suit different plant types and growth stages

Power Saver

LED grow lights save energy, costs, and promote sustainable cultivation.

Durable Design

Constructed with top-quality materials, ensuring prolonged use in various conditions.

Consistent Output

Engineered for sustained performance, guaranteeing optimal light output over time.

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Why GrowPros Solutions?

GrowPros Solutions stands out for delivering high-performance cultivation equipment designed by experienced growers. With over 25 years of industry knowledge, the company focuses on innovation, efficiency, and affordability, helping growers maximize yields and plant quality. Their in-house manufacturing enables faster product development and reliable performance. By offering advanced lighting technologies and practical solutions, GrowPros supports both commercial and small-scale cultivators in achieving consistent, high-quality results.

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Spectrum Matters

The GrowPros 4' Clone Bar delivers balanced full-spectrum lighting in a low-intensity design to support seedlings, clones, and early vegetative stages. Its slim bar structure ensures uniform light distribution across propagation areas, improving root development and plant establishment. With energy-efficient operation and optimized spectrum output, it promotes steady growth, healthier young plants, and consistent results for both commercial propagation systems and indoor cultivation environments.

Balanced Growth Spectrum

Designed to support seedlings, clones, and vegetative stages with gentle full-spectrum lighting for stable plant development.

Uniform Propagation Coverage

Slim bar LED design ensures even light spread, reducing shadows and supporting consistent early plant growth.

Dual Fixture Pack

Two 4-foot bars per pack provide efficient coverage for propagation racks and cloning trays.

Excellent 4.8 out of 5 based on 1,247 reviews
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
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FAQ Section

What plants is the GrowPros 4' Clone Bar designed for?
The GrowPros 4' Clone Bar is specifically designed for seedlings, clones, and early vegetative plants. It provides gentle full-spectrum lighting that encourages strong root formation and healthy early growth without overwhelming delicate young plants.
Is this light suitable for flowering plants?
No, this light is primarily intended for propagation and vegetative stages. Its lower intensity spectrum is optimized for seedlings and clones rather than the high light requirements of flowering plants.
Can the clone bars be used in propagation racks?
Yes, the slim and lightweight bar design makes them ideal for propagation racks, vertical farming systems, and multi-tier grow setups where space efficiency is important.
Does the clone bar produce a lot of heat?
No, it is designed to run cool with minimal heat output. This helps protect young plants from heat stress while maintaining a stable propagation environment.
How evenly does the light spread across plants?
The bar-style design provides uniform light distribution across trays and propagation areas, helping ensure consistent growth among all seedlings or clones.
Are these lights energy efficient?
Yes, the clone bars use energy-efficient LED technology that delivers effective plant lighting while keeping power consumption low.

Specifications

SPECS & DIMENSIONS

Length 4ft

STRUCTURE & LIGHT SYSTEM

Voltage Compatibility

  • Supports 120–277V input range, ensuring stable operation across indoor propagation setups.

LED Bar Configuration

  • Slim full-spectrum bar design delivers soft output and even coverage for early growth stages.

Driver Integration

  • Built-in driver ensures efficient power delivery with consistent and reliable performance.

Fixture Functions

Low-Intensity Output

  • Optimized gentle light intensity supports seedlings, clones, and vegetative development without stress.
Brand GrowPros Solutions
Wattage 4-ft (18W/30W)
Input Voltage 120V-277V
Rated Currency 4-ft (0.274A)
Driver Efficacy 89%
Power Factor 0.9
Working Temperature -4ºF ~ 104ºF
PPF 63 µmol/s
PPE 2.1 µmol/J
SpecSheet PDF

What is Included?

What’s in the box.

  • 2 x Clone Lights
  • 1 x 4' Power Cord
  • Mounting Brackets and HardWare

Warranty Policy

It's recommended to contact GrowPros Solutions for specific warranty information related to their LED grow lights. Please note that warranty details may vary depending on the product model, purchase location, and other factors.

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