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A black-framed full spectrum LED grow light with eight vertical gold bars featuring many white LEDs for plant cultivation.
Full-spectrum LED grow light with a black frame and multiple gold-colored light bars, angled view.
Grower's Choice ROI-FF 650W Full Spectrum LED Grow Light, featuring golden parallel light bars in a black frame.
Black LED grow light control panel with a port and a rotary knob for power adjustment (OFF, EXT, 50%, 75%, 100%).
Foldable LED grow light with black frame and golden bars, displayed open in an L-shape on white.
Black Grower's Choice ROI-FF 650W full spectrum LED grow light bar against a white background.
Angled view of a black full spectrum LED grow light with gold light bars and green accents on a white background.
A black-framed full spectrum LED grow light with eight vertical gold bars featuring many white LEDs for plant cultivation.
Full-spectrum LED grow light with a black frame and multiple gold-colored light bars, angled view.
Grower's Choice ROI-FF 650W Full Spectrum LED Grow Light, featuring golden parallel light bars in a black frame.
Black LED grow light control panel with a port and a rotary knob for power adjustment (OFF, EXT, 50%, 75%, 100%).
Foldable LED grow light with black frame and golden bars, displayed open in an L-shape on white.
Black Grower's Choice ROI-FF 650W full spectrum LED grow light bar against a white background.
Angled view of a black full spectrum LED grow light with gold light bars and green accents on a white background.

Grower's Choice ROI-FF 650W Full Spectrum LED Grow Light

Reduced Price:
$1,699.00 CAD $1,399.00 CAD$1,699.00 CAD
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MODEL: TSLROIFF65001
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Grower's Choice ROI-FF 650W Full Spectrum LED Grow Light Overview

Full Spectrum

Type

4' x 4'

Coverage

650W

Power

5 Years

Warranty

Grower's Choice ROI-FF 650W Full Spectrum LED Grow Light

Struggling to achieve dense, high-quality blooms? The Grower's Choice ROI-FF 650W is engineered to solve that problem, delivering a powerful, flower-focused spectrum to push your plants to their maximum potential. This fixture is a powerhouse designed for indoor growers who want to enhance the flowering stage, using 650 watts to produce an outstanding 1950 PPF. Its impressive 3.0 µmol/J efficiency makes it one of the most effective LED grow lights for maximizing yields while minimizing energy costs.

By incorporating the ROI-FF 650W into your setup, you can expect significantly improved flower density and harvest weight. This full spectrum LED grow light features a specialized 3K Fullphase spectrum, finely tuned to meet the specific needs of flowering plants for optimized quality and intensity. For growers needing even more power, the Grower's Choice ROI-E720 offers a step up in intensity. The entire Grower's Choice lineup is known for its advanced diode and driver technologies, ensuring superior performance and longevity while reducing operational expenses over time.

Features

💡
Powerful 1950 PPF Output

Delivers intense light output to fuel vigorous flowering and maximize your harvest.

⚡
Elite 3.0 µmol/J Efficacy

Industry-leading efficiency ensures you get maximum light output for every watt consumed.

🌺
3K Fullphase Spectrum

A specialized spectrum rich in red light, designed to enhance flower development and resin production.

🎛️
Onboard 0-10V Dimming

Provides full control over light intensity out of the box, adaptable to any growth stage.

⚙️
Advanced Technology

Utilizes the latest diode and driver technology for superior performance and a long lifespan.

❄️
Passive Cooling

Silent, fanless design effectively manages heat, increasing the fixture's longevity.

🛡️
Certified & Reliable

IP66, DLC, and ETL certified, meeting the highest standards for safety, quality, and efficiency.

📅
5-Year Warranty

Backed by a comprehensive five-year warranty for complete peace of mind.

Specifications

Specification Value
Light Source LED
Spectrum GC-3K Full Phase
PPF 1950 umol/s
Max Input Power 650W
Efficacy 3.0 μmol/J
Fixture Dimension 45”L x 44”W x 4.2”H / 20lbs (114.3cm L x 104cm W x 11cm H / 9.9kg)
Mounting Height 6" - 24" (15.2 - 61 cm) from canopy
Thermal Management Passive
Dimming 0-10V
Light Distribution 120°
Lifetime L90: >54,000 hrs
Power Factor >90%
Certifications IP66, DLC, ETL
Warranty 5 Years Standard Warranty

Warranty

Grower's Choice offers a 5-year Warranty. This does not include user error or operator abuse.

FAQs

What is the ideal coverage area for this light?+

The ROI-FF 650W provides an optimal flowering coverage of 4' x 4' to 5' x 5'. For vegetative growth, it can effectively cover a 6' x 6' area.

Is this light suitable for the entire grow cycle?+

While its 3K spectrum is optimized for flowering, the ROI-FF 650W is a full-spectrum light that can be used for the entire grow cycle. For growers who prefer a dedicated vegetative light, the Grower's Choice ROI-E200 is an excellent, highly efficient option.

How do I control the dimming feature?+

The fixture includes a built-in dimmer for easy intensity adjustments right out of the box. For more advanced control and scheduling, it is fully compatible with any 0-10V controller, including the Grower's Choice Master Controller for seamless integration.

What makes the 3K Fullphase spectrum special for flowering?+

The 3K Fullphase spectrum has a higher concentration of red and far-red light, which are crucial wavelengths for triggering and enhancing the flowering response in plants. This leads to denser bud formation, increased resin production, and higher overall yields. You can learn more about how light spectrum influences growth in our guide.

How far should I hang the light from my plant canopy?+

The recommended mounting height is between 6 to 24 inches from the top of your plant canopy. Start at the higher end and gradually lower the light as your plants acclimate to its intensity.

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