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Horticulture Lighting Group Manuals & User Guides

Horticulture Lighting Group (HLG) designs high-efficiency LED grow lights and quantum boards for indoor gardening, hobbyists, and commercial agriculture facilities.

Tip: include the full model number printed on your Horticulture Lighting Group label for the best match.

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Premium LED Grow Lights

Horticulture Lighting Group (HLG), formed in 2015, is a leading provider of ultra-high-tech commercial LED gardening solutions. Designed for both hobbyists and professionals in the hydroponics and agriculture industries, HLG's innovative products aim to replace traditional HID and HPS lighting. Their high-efficiency Quantum Boards, featuring premium Samsung LEDs, offer cooler operational temperatures, significantly lower electricity costs, and substantially increased yields.

Built for performance and reliability, Horticulture Lighting Group products ensure optimal full-spectrum light delivery for plant cultivation. By providing passive-cooled designs and dimmable options, HLG helps indoor gardeners maintain precise environmental control for maximum agricultural productivity.

Horticulture Lighting Group manuals

Selected manuals from manuals+ curated for this brand.

HLG 320 RSPEC FR Product Manual

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Comprehensive product manual for the HLG 320 RSPEC FR horticultural LED grow light, including specifications, mounting instructions, safety guidelines, and warranty information.

HLG 600 R SPEC Product Manual

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User manual and safety guide for the Horticulture Lighting Group HLG 600 R SPEC LED grow light, featuring specifications, mounting instructions, and warranty information.

HLG Scorpion Diablo X Product Manual

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Product manual for the HLG Scorpion Diablo X LED grow light, featuring specifications, mounting instructions, safety guidelines, and warranty information.

HLG 600 R Spec Product Manual

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Product manual and safety guide for the HLG 600 R Spec LED grow light. Includes specifications, mounting instructions, warranty information, and safety guidelines.

HLG Scorpion Diablo Product Manual

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Official product manual for the HLG Scorpion Diablo LED grow light, including technical specifications, mounting instructions, safety guidelines, and warranty information.

HLG 250 VEG PRO Product Manual

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Official product manual for the HLG 250 VEG PRO LED grow light, featuring specifications, mounting instructions, safety guidelines, and warranty information.

HLG 250 VEG PRO Product Manual

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Official product manual for the HLG 250 VEG PRO LED grow light. Includes specifications, mounting instructions, safety guidelines, and warranty information.

Horticulture Lighting Group manuals from online retailers

HLG Blackbird 600W LED Quantum Board Grow Light User Manual

Blackbird • August 26, 2025
Comprehensive user manual for the Horticulture Lighting Group HLG Blackbird 600W LED Quantum Board Grow Light, covering safety, setup, operation, maintenance, troubleshooting, specifications, and warranty information.

Horticulture Lighting Group support FAQ

Common questions about manuals, registration, and support for this brand.

  • What is the warranty policy for Horticulture Lighting Group products?

    Horticulture Lighting Group generally provides a 3-Year Limited Warranty on their products, a 2-Year warranty on select lighting, and a 1-Year Limited Warranty on DIY Kits. Guarantees are valid for manufacturing defects when products are properly used for their intended applications.

  • How do I start a warranty claim or return with HLG?

    To initiate a warranty claim or return, contact HLG via email at warranty@hlg.com with your order number, date of purchase, and contact information. Alternatively, you can call their support team at 1-877-445-4533.

  • What is HLG's return policy?

    HLG offers a 30-Day Money-Back Guarantee. Items returned in their original, unused condition and packaging within 30 days of receipt will receive a refund, minus shipping and a 10% restocking fee.

  • What are the mounting requirements for HLG fixtures?

    Ensure your mounting structure can support the weight of the fixture (e.g., 23 lbs for large models). Install on non-combustible surfaces only and maintain a minimum of 15 inches of clearance from the ceiling or hanging structure. If mounted closer, active cooling is required to prevent thermal overload.