HLG grow lights are some of the most trusted fixtures in indoor horticulture, but knowing the difference between Ultima, Scorpion Diablo, Diablo X, and Diablo ES models can save growers money and maximize yields. Below, we break down what really sets these HLG lights apart.
| Model | Power (W) | µmol/J | Diode Setup | Flower/Veg | Price |
|---|---|---|---|---|---|
| Scorpion Ultima Diablo X | 1500 | 3.07 | 8 Diablo Quantum Boards; Red:Green:Blue ratio of 48:32:20 | 4' x 4' and 5' x 5' | $1749 |
| Scorpion Ultima Diablo | 1500 | 2.86 | 8 Diablo Quantum Boards; Red:Green:Blue ratio of 37:42:21 | 4' x 4' and 5' x 5' | $1749 |
| Scorpion Diablo X | 715 | 3.06 | 6 advanced design Diablo Quantum Boards; Red:Green:Blue ratio of 48:32:20 | 5' x 5' / 15"–24"; 6' x 6' / 30”–36" | $1349 |
| Scorpion Diablo | 715 | 3.00 | 6 advanced design Diablo Quantum Boards; Red:Green:Blue ratio of 37:42:21 | 5' x 5' / 15"–24"; 6' x 6' / 30”–36" | $1299 |
| Diablo X 750 | 715 | 2.95 | 4 advanced design Diablo Quantum Boards; Red:Green:Blue ratio of 48:32:20 | 5' x 5' / 15"–24"; 6' x 6' / 30”–36" | $999 |
| Diablo 750 | 730 | 2.86 | 4 advanced design Diablo Quantum Boards; Red:Green:Blue ratio of 37:42:21 | 5' x 5' / 15"–24"; 6' x 6' / 30”–36" | $999 |
| Tomahawk 720 | 730 | 2.87 | 5 full-spectrum White with Deep Red LED | 5' x 5' - Reco. Height Above Canopy: 8" - 24" | $999 |
| Tomahawk 650 | 650 | 2.94 | 5 full-spectrum White with Deep Red LED | 5' x 5' - Reco. Height Above Canopy: 8" - 24" | $899 |
| Diablo ES 750 | 730 | 2.86 | 4 Diablo Quantum Boards & new SE spectrum; Red:Green:Blue ratio of 43:38:19 | 5' x 5' / 15"–24"; 6' x 6' / 36" | $699 |
| Diablo 350 | 330 | 2.80 | 2 full-spectrum white, 660nm red, custom Quantum Boards | 3' x 5' at 15"; 4' x 5' at 24” | $549 |
| VEG PRO 250 | 240 | 2.70 | 2 full-spectrum white, 660nm red QB288 Quantum Boards | Up to 2' x 4'; Up to 3' x 5' | $429 |
| 65 V2 Light for Veg | 65 | 2.35 | QB120 Quantum Board | 2' x 1' or 1' x 2'; 2' x 2' | $99 |
| 30 UVA Supplement Bar | 30 | n/a | Contains UVA LED 365nm + 385nm | 4' x 4' or 5' x 5' | $99 |
| Propagator 2.0 | 20 | n/a | Full Spectrum White | 2' x 4' | $99 |
The HLG Ultima series (Scorpion Ultima Diablo X and Scorpion Ultima Diablo) packs two drivers and eight quantum boards instead of one driver and six boards like other models. That means higher efficiency and more even light spread.
The Scorpion Diablo lineup has gone through key upgrades, each tuned for slightly different grower needs.
Takeaway: The Old Diablo offered top-tier efficiency but lacked reflectors. The New Diablo improved canopy penetration and balance for full-cycle grows. The Diablo X sacrifices a touch of efficiency for more red-heavy output, making it the powerhouse for flowering and commercial applications.
When comparing the 750 Diablo ES Enhanced Spectrum vs the 750 Diablo, the ES is the more economical option. However, it sacrifices a bit of efficiency (µmol/J) because it uses more red diodes that shift intensity into the 580–620nm range. For budget-conscious growers, ES still delivers great results, but the Full Spectrum keeps the upper hand in raw efficiency.
Horticulture Lighting Group continues to refine its lineup so growers can match the right light to their goals and budget.
The Ultima series delivers maximum spread and efficiency, the Scorpion Diablo models balance canopy penetration with spectrum tuning, the Diablo X packs red-heavy intensity for flowering power, and the Diablo ES offers an affordable entry point without losing core performance.
No matter your grow size or setup, there’s an HLG light built to help you push yields and quality further. Got questions? Reach us at info@growlightcentral.com or (973) 206-7590, and we'll help you pick the perfect grow light and boost your harvests.
HLG grow lights are a favorite among serious indoor growers, but each model brings something unique to the table. From the dual drivers and wider spread of the Ultima, to the reflector-equipped Scorpion Diablo, to the red-heavy power of the Diablo X and budget-friendly ES, this guide breaks down the key differences so you can choose the right light for your grow room.
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So far just starting a run, but all is well. I’m playing with the light height and intensity as the run progresses. Easy setup no issues a solid light. I’ve owned dozens of grow lights over decades of growing HGL 350 appears to be on par with the others I’ve owned and still do.
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