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HLG 750 Diablo full spectrum LED grow light. White rectangular fixture showing multiple Quantum Boards with bright LEDs.
White rectangular HLG 750 Diablo full spectrum LED grow light, suspended, showing its underside with many LED chips.
White HLG 750 Diablo full spectrum LED grow light showing multiple quantum boards with numerous bright LEDs.
Full spectrum graph showing relative light intensity across wavelengths with distinct peaks in blue, green, and red.
White HLG 750 Diablo full spectrum LED grow light. Features multiple Quantum Boards densely packed with bright LEDs.
HLG 750 Diablo full spectrum LED grow light. White rectangular fixture showing multiple Quantum Boards with bright LEDs.
White rectangular HLG 750 Diablo full spectrum LED grow light, suspended, showing its underside with many LED chips.
White HLG 750 Diablo full spectrum LED grow light showing multiple quantum boards with numerous bright LEDs.
Full spectrum graph showing relative light intensity across wavelengths with distinct peaks in blue, green, and red.
White HLG 750 Diablo full spectrum LED grow light. Features multiple Quantum Boards densely packed with bright LEDs.
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HLG 750 Diablo Full Spectrum LED Grow Light

Official Horticulture Lighting Group Dealer Model: HLG750
$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
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  • Covers a 5x5 ft flowering canopy with an intense 2056 PPF output
  • Four Diablo Quantum Boards use integrated reflectors for deep canopy penetration
  • Operates on 120-277V circuits with a slim 3.75 inch profile for low ceilings
  • 5-year warranty covering defects in materials and workmanship
  • View More Details
Order today, ships between August 7 - August 28, 2026

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VOLUME PRICING

Commercial & Bulk Purchasing

We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.

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THROUGH THE Cultivator's LENS Hands-On Evaluation

  • You are upgrading your lighting because your current fixtures cannot penetrate deep enough into a dense canopy.
  • You are expanding your flowering space because your current setup lacks the spread to cover a full 5x5 area.

  • The integrated reflectors actually do help push light into the corners without needing to lower the fixture too much.
  • We noticed these boards run surprisingly cool for the amount of photon intensity they put out over a 5x5 area.
  • Adding the Growflux controller is the best way to handle dawn and dusk cycles without manually twisting the dimmer.

  • Growers who switched to this model say their lower harvest material is just as dense as what they pull from the top.
  • Users running multiple units say their HVAC systems work less since moving away from active fan cooled lights.

HLG 750 Diablo Full Spectrum LED Grow Light

Struggling to achieve maximum yields and canopy penetration? The HLG 750 Diablo is engineered for growers who demand professional-grade intensity and efficiency. This powerful 715W fixture uses four advanced Diablo Quantum Boards® to deliver an incredibly even light spread, making it the perfect solution for grow tents, flood tables, and rolling benches. For growers requiring specific light profiles, we also offer the HLG 750 Diablo X and the HLG 750 Diablo ES variants.

Integrated reflectors push photons deep into the canopy, ensuring high-quality yields from top to bottom. With a staggering output of over 2056 PPF and a photon efficacy of 2.88 µmol/J, this lamp drives vigorous growth. Its plant-centric white spectrum, enriched with deep red, provides the ideal wavelengths for all growth stages. As one of the top-tier LED grow lights from Horticulture Lighting Group, its reliable passive-cooled design guarantees silent, long-lasting performance.

Features

💡
Extreme Light Output

Delivers an intense 2056 PPF with an industry-leading efficacy of 2.88 µmol/J for rapid plant growth.

🌿
Diablo Quantum Boards®

Four advanced boards ensure a perfectly uniform light spread across a 5'x5' flowering footprint.

🎛️
Fully Dimmable

Includes a dimmable power supply for precise control. This fixture is compatible with the HLG Growflux Access Point Controller for wireless dimming and scheduling.

❄️
Passive Cooled Design

The fanless design ensures silent operation, reduces energy consumption, and increases the fixture's lifespan.

Spectrum Analysis

Horticulture Lighting Group HLG 750 Diablo Full Spectrum LED Grow Light Spectrum Analysis Chart

To further enhance resin production and terpene profiles, consider adding the HLG 30 UVA Supplement Bar to your flowering setup.

Specifications

Specification Value
Power 715W
AC Voltage Range 120-277 VAC 50-60Hz
LEDs Full Spectrum White & Far-Red
Flowering Footprint 5' x 5' @ 15" - 24"
Veg Footprint 6' x 6' @ 36"
System PPF Efficacy 2.88 µmol/J
Total Output (PPF) 2056 PPF
Dimensions 37.5" x 27.13" x 3.75"
Weight 20.25 lbs
Certifications UL 8800, CSA

Warranty

Horticulture Lighting Group offers a comprehensive 5-year warranty on this fixture, covering defects in materials and workmanship. This warranty does not cover user error or operator abuse.

FAQs

What is the ideal hanging height for this light?+

For flowering, the recommended hanging height is 15" to 24" above the plant canopy. For vegetative growth, a height of 36" is ideal to cover a larger 6' x 6' area. If you require a dedicated veg fixture, the HLG 250 VEG Pro is an excellent choice for specialized vegetative cycles.

Is this light powerful enough for a 4'x4' tent?+

Absolutely. The HLG 750 Diablo is designed for a 5'x5' flowering footprint. For smaller spaces or seedling projects, the HLG 100 V2 or the HLG 65 V2 Veg might be more appropriate for those specific lower-intensity needs.

What's the difference between the HLG 750 Diablo and the HLG 350 Diablo?+

Both lights utilize the same high-efficiency Diablo Quantum Boards. The main difference is the total output and coverage area; while the 750 model is built for a 5'x5' area, the HLG 350 Diablo is tailored for 3'x3' or 4'x4' grow spaces.

How does this compare to a 1000W HPS light?+

The HLG 750 Diablo is designed to replace and outperform a 1000W single-ended HPS light. For growers looking for a mid-range alternative, the HLG 200 R SPEC provides high-efficiency output in a smaller form factor. The 750 Diablo consumes less power, produces significantly less heat, and has a more optimized full spectrum for plant growth.

Where can I learn more about HLG's Quantum Board technology?+

To understand the technology that sets these lights apart, we recommend reading our guide on how HLG sets the bar for Quantum Board grow lights. It provides an in-depth look at their efficiency and design.

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

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