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HLG 750 FS Full Spectrum LED Grow Light

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Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
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Finance up to:$4,000
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Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
  • 1906 PPF output covering a 5x5 ft flowering footprint
  • Integrated reflectors maximize light delivery to lower canopy levels
  • Draws up to 730 watts and works on 120V to 277V circuits
  • 5-year warranty covering defects in materials and workmanship
  • View More Details
Order today, ships between July 2 - July 23, 2026
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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

Who This Is For

  • You are replacing 1000W HPS fixtures because the high power bills and heat management costs are cutting into margins.
  • You are prioritizing canopy penetration because your lower branches underperform without integrated light reflectors.
  • You are moving to wireless dimming because manual knob adjustments across many lights take too much time every day.

What We Found

  • The FS spectrum is noticeably easier on the eyes during canopy work than the high intensity Diablo model.
  • The passive cooling is truly silent, making it the best choice for setups where fan noise is a major dealbreaker.
  • We found the integrated reflectors do a better job hitting the corners of a 5x5 tent than most flat board lights.

What Users Say

  • Buyers who swapped out HPS units say their power bills dropped while they maintained their previous yields.
  • Commercial users report the light spread is so uniform they no longer have to rotate pots to get even growth.
  • Operators using GrowFlux controllers say they stopped having to manually check every light once they went wireless.

HLG 750 FS Full Spectrum LED Grow Light

Need commercial-grade light output without the heat and energy waste of 1000W HPS? While the HLG 750 Diablo focuses on peak intensity, the HLG 750 FS delivers 1906 PPF of full-spectrum light while consuming up to 27% less power than traditional DE HPS systems. This translates to lower electricity bills and reduced HVAC costs while maintaining professional yields across a 5x5 flowering footprint.

The HLG 750 FS features Horticulture Lighting Group's new Full Spectrum (FS) technology paired with high-performance QB400 Quantum Boards®. This next-generation spectrum provides balanced energy distribution across the entire PAR range, supporting plants from vegetative growth through harvest. Integrated reflectors maximize photon delivery to all canopy levels, ensuring lower branches receive adequate light for improved overall quality and yield.

Built on a passive-cooled design that eliminates fan noise and maintenance, the HLG 750 FS offers flexible dimming options including RJ 0-10V with manual knob control or wireless connectivity via the HLG Growflux Access Point Controller. The unit ships with a dimmable power supply and is backed by a 5-year warranty, meeting UL 8800, UL 1598, and CSA safety certifications for commercial installation confidence.

Features

🌈
Full Spectrum FS Technology

Plant-centric white spectrum with deep red delivers balanced energy across PAR range for all growth stages.

💡
1906 PPF Output

Delivers 2.74 μmol/J system efficacy with integrated reflectors for superior photon delivery to entire canopy.

❄️
Passive-Cooled Design

Silent operation with no fans to maintain or replace, reducing long-term maintenance costs.

📱
Flexible Dimming Options

Choose manual RJ 0-10V knob control or wireless GrowFlux dimming for multi-light management.

📏
Versatile Coverage

5x5 ft flowering footprint and 6x6 ft veg coverage works perfectly with grow tents and rolling benches.

Commercial Certified

UL 8800, UL 1598, and CSA certified with 5-year warranty for commercial installation confidence.

What's Included

  • HLG 750 FS LED Grow Light
  • Dimmable Power Supply
  • Power Cord (120V/240V Compatible)
  • Hanging Hardware

Specifications

Specification Value
Power 0-730 Watts
Voltage Range 120-277 VAC 50-60Hz
Flowering Footprint 5' x 5'
Flowering Canopy Distance 15" - 24"
Veg Footprint 6' x 6'
Veg Canopy Distance 36"
System PPF Efficacy 2.74 μmol/J
Total PPF Output 1906 PPF
Dimensions 37.5" x 27.125" x 3.75"
Product Weight 20.25 lbs
Certifications UL 8800, UL 1598, CSA C22.2 #250
Dimming Options RJ 0-10V Manual Knob, GrowFlux Wireless

Spectrum Analysis

HLG 750 FS Full Spectrum Distribution Chart
Full Spectrum (FS) Technology

The HLG 750 FS features Horticulture Lighting Group's next-generation Full Spectrum distribution, engineered specifically for complete plant lifecycle support. This advanced spectrum delivers balanced energy across the entire photosynthetically active radiation (PAR) range from 400-700nm.

Blue Peak (420-460nm)

Drives vegetative growth, similar to the output of the HLG 65 V2 Veg, promoting compact internodal spacing and chlorophyll production.

Green-Yellow (500-600nm)

Penetrates deep into canopy for improved lower-branch development and overall plant health.

Red Peak (660nm)

Maximizes photosynthetic efficiency, much like the far-red enhanced HLG 200 R SPEC FR, for superior yield quality.

Why Full Spectrum Matters: Unlike narrow-band LED systems or single-spectrum HPS, the FS distribution mimics natural sunlight's balanced energy delivery. This eliminates the need to swap fixtures between growth stages and prevents the spectral deficiencies that can limit yield potential.

Warranty

The HLG 750 FS is backed by a comprehensive 5-year manufacturer warranty covering defects in materials and workmanship. This warranty ensures long-term reliability for both hobbyist and commercial cultivation operations.

FAQ

What's the difference between the HLG 750 FS and traditional HPS lights?+

The HLG 750 FS replaces 1000W DE HPS systems while consuming up to 27% less power at maximum output. Growers looking for even more spectral efficiency might compare it to the HLG 750 Diablo ES. Both LED options produce significantly less heat, reducing HVAC costs and eliminating the need to replace bulbs every grow cycle.

Do I need to buy anything extra for the GrowFlux wireless dimming?+

Yes, if you choose the GrowFlux wireless dimming option, you'll need to purchase an HLG Growflux Access Point Controller separately. This device allows you to wirelessly control multiple HLG lights from a single interface. The standard RJ 0-10V manual dimming knob is included and doesn't require any additional hardware.

How high should I hang the HLG 750 FS above my plants?+

For flowering, maintain a canopy distance of 15-24 inches for optimal light intensity across a 5x5 ft footprint. During vegetative growth, you can hang the light 36 inches above your plants to cover a larger 6x6 ft area. For more detailed setup guidance, you can learn how HLG sets the bar for quantum board grow lights in our expert guide. Always monitor your plants for signs of light stress and adjust accordingly.

Can I use this light with both 120V and 240V outlets?+

Yes, the HLG 750 FS operates on any voltage from 120-277 VAC at 50-60Hz frequency. The included power cord works with both standard 120V household outlets and 240V commercial outlets, making it versatile for any grow space setup.

Will the HLG 750 FS work for both vegetative growth and flowering?+

Absolutely. The Full Spectrum (FS) technology is ideal for full-cycle cultivation from seedling through harvest. While it excels at all stages, growers with dedicated vegetative spaces might also consider a specialized fixture like the HLG 250 Veg Pro. The 750 FS's plant-centric white spectrum with deep red supports healthy vegetative growth and maximizes flowering performance without needing to swap lights.

How does the passive cooling system work without fans?+

The HLG 750 FS uses a fanless heatsink design that dissipates heat through natural convection and thermal radiation. This passive-cooled architecture eliminates moving parts that can fail, runs silently, and requires zero maintenance while keeping the diodes at optimal operating temperatures for maximum lifespan and efficiency.

What do the integrated reflectors actually do?+

The integrated reflectors on the QB400 Quantum Boards® direct more photons downward toward your plants, a design feature that improves efficiency across HLG's most powerful fixtures, including the HLG 750 Diablo X. This improves PPFD levels at all canopy layers, ensuring that lower branches receive adequate light for better overall yield quality and uniformity across your entire grow space.

Is the HLG 750 FS safe for commercial installations?+

Yes, the HLG 750 FS meets all major safety certifications including UL 8800 (horticultural lighting), UL 1598 (luminaires), and CSA C22.2 #250 standards. These certifications confirm the fixture is safe for commercial cannabis cultivation facilities and complies with electrical codes for professional installations.

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