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HLG 750 Diablo X full spectrum LED grow light featuring four Samsung Quantum Boards with numerous LEDs.
HLG 750 Diablo X full spectrum LED grow light with visible Samsung LED panels, shown hanging by suspension wires.
Full spectrum LED grow light graph showing relative intensity across wavelengths, with prominent blue and red peaks.
Horticulture Lighting Group HLG 750 Diablo X LED grow light with bright Samsung Quantum Boards.
HLG 750 Diablo X full spectrum LED grow light, a white panel with four bright Samsung Quantum Board LED sections.
HLG 750 Diablo X full spectrum LED grow light featuring four Samsung Quantum Boards with numerous LEDs.
HLG 750 Diablo X full spectrum LED grow light with visible Samsung LED panels, shown hanging by suspension wires.
Full spectrum LED grow light graph showing relative intensity across wavelengths, with prominent blue and red peaks.
Horticulture Lighting Group HLG 750 Diablo X LED grow light with bright Samsung Quantum Boards.
HLG 750 Diablo X full spectrum LED grow light, a white panel with four bright Samsung Quantum Board LED sections.

HLG 750 Diablo X Full Spectrum LED Grow Light

Official Horticulture Lighting Group Dealer Model: HLG750DX
$2,099.00 CAD$1,899.00 CAD$2,099.00 CAD
 $2,099.00 CAD
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Options:Pay in 6, Pay Monthly
Amount:Up to $1,500 (Pay in 6)
$1,501–$30,000 (Monthly)
Schedule:Bi-weekly / Monthly
Term:6 bi-weekly / 6–60 months
Interest:0% (up to $1,500) / 11.99% APR
Not available in:Quebec
Looking to finance equipment under your corporation? Learn more about Business Financing
  • Achieves 2.95 micromoles per joule while pulling 715 watts of power
  • Diablo Quantum Board design with a 48:32:20 Red-Green-Blue spectrum
  • Passively cooled system runs silently and is UL and CSA certified
  • 5-year manufacturer's warranty
  • View More Details
Order today, ships between June 10 - July 1, 2026

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THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • You are swapping out high-intensity discharge bulbs because the heat they dump into the room is hurting your yields.
  • You are adopting a full-spectrum layout because hot spots from your current lights are causing uneven plant growth.

What We Found

  • We noticed the integrated reflectors on this model do a much better job of keeping light on the crop and off the walls.
  • This fixture stays surprisingly cool to the touch even when running at the full 715 watts for twelve hours straight.

What Users Say

  • Operators who switched from 1000W HPS report their monthly power bills dropped while their yields remained consistent.
  • Users of the dimming dial say they stopped light bleaching young crop by tailoring output to the growth stage.

HLG 750 Diablo X Full Spectrum LED Grow Light

Tired of inconsistent yields and uneven growth holding back your indoor garden? The HLG 750 Diablo X is engineered to solve these problems, delivering professional-grade lighting power and precision control. This full-spectrum fixture provides an incredible 715 watts of adjustable power, making it a perfect replacement for a 1000W HPS light while using significantly less energy. Its advanced Diablo Quantum Board® design ensures uniform light distribution, eliminating hot spots and promoting consistent canopy development. For growers who seek this level of performance in a standard spectrum, the HLG 750 Diablo Full Spectrum LED Grow Light serves as an excellent alternative model.

Harnessing a custom spectrum with a 48:32:20 Red-Green-Blue ratio, the Diablo X allows you to manage light output precisely through every growth stage. While this fixture is a powerhouse for full-cycle growth, those focusing specifically on the vegetative phase may want to explore the HLG 250 VEG Pro LED Grow Light for nursery applications. With a staggering efficacy of 2.95 µmol/J, this fixture maximizes photon delivery for robust growth and higher yields. The entire system is built for performance and reliability, featuring passive cooling and integrated reflectors. It's one of the most powerful options in the Horticulture Lighting Group lineup, designed for serious cultivators who demand the best full spectrum LED grow lights.

Features

💡
High-Efficacy Output

Achieves an impressive 2.95 µmol/J for maximum photon delivery. To further optimize your light spectrum, you can pair this fixture with the HLG 30 UVA Supplement Bar LED Grow Light.

🌿
Uniform Light Spread

Diablo Quantum Board® design ensures even coverage, eliminating hot spots for consistent growth.

🎛️
Fully Dimmable

Adjustable power from 0-715W to match every stage of your plant's life cycle.

🛡️
Reliable & Safe

Passively cooled for silent operation and UL/CSA certified for guaranteed safety.

HLG 750 Diablo X Spectrum Analysis

Horticulture Lighting Group HLG 750 Diablo X spectrum analysis chart

HLG 750 Diablo X Specifications

Specification Value
Power 0-715 Watts
Voltage Range 120-277 VAC 50-60Hz
Flowering Footprint 5' x 5'
Vegetative Footprint 6' x 6'
Recommended Mounting Height 15" - 36"
System PPF Efficacy 2.95 µmol/J
Total PPF Output 2105 PPF
Dimensions 37.5" x 27.125" x 3.75"
Product Weight 20.25 lbs
Certifications UL 8800, CSA

Support & Manuals

Warranty

Horticulture Lighting Group offers a comprehensive 5-year manufacturer's warranty, ensuring your investment is protected. This warranty does not cover damage from user error or operator abuse.

FAQs

What is the ideal coverage area for the HLG 750 Diablo X?+

This light is designed to provide exceptional coverage for a 5' x 5' area during the flowering stage and a larger 6' x 6' area for vegetative growth. It delivers intense, uniform light across these entire footprints.

What is the recommended hanging height?+

For optimal performance, hang the light 15-24 inches above the canopy during flowering and around 36 inches during the vegetative stage. Always monitor your plants for signs of light stress and adjust as needed.

Can I control this light with an external controller?+

Yes, the HLG 750 Diablo X includes a standard dimmable power supply. For more advanced control, it is compatible with the optional HLG Growflux Access Point Controller, allowing for precise scheduling and dimming.

How does this model compare to the HLG 350 Diablo?+

The HLG 750 Diablo X is a much more powerful light, designed for larger 5'x5' spaces with its 715W output. The HLG 350 Diablo Full Spectrum LED Grow Light is its smaller counterpart, perfect for spaces around 3'x5' or 4'x4' with a 330W output, while still featuring the same high-efficiency Diablo technology.

What makes Quantum Board® lights special?+

Quantum Boards® are renowned for their high efficiency and superior light spread. By distributing many low-power LEDs over a large area, they run cooler and deliver more uniform light to the plant canopy, which is key to consistent growth. You can learn more about how HLG sets the bar for quantum board grow lights in our detailed article.

Is this light difficult to assemble?+

No, the HLG 750 Diablo X is designed for easy setup. It comes with all necessary hanging hardware and clear instructions. You can have it up and running in your grow space in just a few minutes.

Happy To Help

Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

Call (778) 300-3154

Why Trimleaf

Equipping home growers, craft producers, and commercial operations across North America since 2016.

10+
Years of Specialist Knowledge
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Over 1,900 Verified Reviews
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