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View compareThis under canopy grow lights with 80% red spectrum is engineered to boost yield and improve the color of lower fruits. It enlarges lower cannabis flowers, supporting better development in areas that often underperform. By targeting the understory, growers achieve a more uniform harvest while maximizing plant potential.

Maximize Flowering and THC Concentration
These lights deliver illumination beneath dense canopies where overhead fixtures struggle to reach. This approach not only increases yield but also enhances crop quality by:
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Increasing flowering: Added light in shaded canopy regions promotes more extensive flower growth.
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Enhancing THC concentration: The red spectrum stimulates THC and terpene production, strengthening potency and flavor profiles.

Spectrum Balancing for Optimal Growth
Choosing the correct spectrum ensures plants receive ideal coverage:
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Model 1 lights: Perfect for pairing with HID top lights, which emphasize red, orange, and yellow spectrums.
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Model 2 lights: Best for use with full spectrum LED top lights to achieve balanced coverage.
This customization balances wavelengths, supporting peak growth and higher quality results. With advanced spectrum solutions, growers produce higher yields and harvests that stand out in both appearance and chemical composition.
Tested Performance
A common challenge is poor development of lower buds and leaves due to limited light penetration. Adding strategic lighting solves this by driving illumination where it matters most.
The Grow Pros Solutions 250W 8ft under canopy grow lights was built after testing SMD chips and drivers from leading manufacturers. Its deep red spectrum penetrates the canopy, activating growth in lower regions. The result is stronger plants from top to bottom.
Wattage | 250W |
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Spectrum | Full Spectrum + Far Red |
Input Voltage | 120V–277V |
Power Factor | >0.9 |
Lifetime Testing | L90: >36,000 hrs |
Thermal Management | Passive |
IP Rating | IP65 |
Warranty | 5 years limited |
PPE | 3.03 µmol/J |
PPF | 350 µmol/s |
Work Temp. | 0°F to 104°F |
Amps | 120V – 2.08A 208V – 1.20A 240V – 1.04A 277V – 0.90A |
Daisy Chain Option |
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Energy Rebates and Certifications
These fixtures are DLC and ETL listed, making them eligible for local utility rebate programs. Growers can offset initial costs while benefiting from high-efficiency and safety-certified lighting.
Commercial cultivators should contact us for details on rebate eligibility and application support. Taking advantage of these incentives lowers investment costs and makes operations more sustainable.
At undercanopygrowlighting.com, we’re thrilled to offer free standard shipping on every purchase, regardless of order size, ensuring your grow lighting products arrive at your doorstep without any additional shipping costs. This commitment to free shipping reflects our dedication to providing exceptional value and convenience, allowing you to focus on cultivating your plants with top-quality equipment. Our standard shipping service is reliable and designed to deliver your order efficiently, making your shopping experience both cost-effective and hassle-free.
For customers who need their products sooner, we also provide fast shipping with extra cost, tailored to meet your urgent needs. Whether you’re preparing for a time-sensitive project or simply want your items quickly, our dedicated customer support team is here to assist. Please don’t hesitate to contact us, and we’ll gladly arrange expedited shipping options that align with your schedule, ensuring your order arrives promptly while maintaining the high level of service you expect from undercanopygrowlighting.com.
