Under-canopy LED grow light
Product Description
Struggling with weak lower buds and uneven ripening? Our under canopy LED grow light delivers targeted light to shaded lower foliage-turning "popcorn buds" into marketable yields. The supplemental grow light bar features a science-backed spectrum (660nm red + 450nm blue) proven to increase lower-canopy photosynthesis by 40% and boost harvest weights by 28% vs. top-lighting alone. With IP65 waterproof aluminum housing, tool-less height adjustment (6-24"), and 50-100% dimming for crop-stage adaptation, this intercanopy lighting system is ideal for tiered grow racks, SCROG nets, greenhouses, and vertical farms. Also features sunrise/sunset simulation to reduce plant stress with 18-hour photoperiod support.

Key Features

Science-Backed Performance:
- 40% increase in lower-canopy photosynthesis rates
- 28% higher harvest weights (vs. top-lighting only)
- Dimmable 50-100% intensity for crop-stage adaptation
Why Growers Choose Our Solution:
Waterproof IP65-rated aluminum housing
Samsung LM301H diodes (2.8 μmol/J efficacy)
Tool-less height adjustment (6-24" from canopy)


Industry-Leading Innovation:
Our understory lighting technology features sunrise/sunset simulation to reduce plant stress while providing 18-hour photoperiod support. The full-spectrum+IR option triggers shade avoidance responses for optimized internodal spacing.
Product Specification
| Model | EG-UCLBL-120-DR | EG-UCLBL-150-DR |
| Wattage(W) | 120 | 150 |
| Spectrum |
Deep Red Spectrum
|
Full Spectrum Indoor
|
| Product Materials | PC+6063AL | |
| PPFD@0.3m(umols/s/m2) | ~400 | ~500 |
| Power Factor(PF) | >0.95 | |
The Difference between Under-canopy LED Grow Lights and Conventional LED Grow Lights
| Under-canopy LED Grow Lights | Conventional LED Grow Lights | |
|
Light Orientation and Area of Illumination |
These are designed to be placed beneath the plant canopy, directing light upwards towards the shaded lower leaves and branches. This ensures that the often-neglected lower sections of plants receive adequate light, promoting uniform growth and development | Typically installed above the plants, these lights shine downwards, primarily illuminating the upper canopy. This setup can leave lower parts of the plants in shadow, leading to uneven growth |
|
Light Dispersion and Performance Efficiency |
They are specifically engineered to address light deficits in shaded areas, resulting in more uniform light distribution across the entire plant. This leads to higher overall yields and improved plant health. | While efficient in their own right, they may struggle to provide uniform light distribution across the entire plant canopy, especially in dense growth scenarios |
|
Effect on Plant Development and Output |
By illuminating lower leaves and flowers, these lights can significantly boost yields by up to 20-30% when combined with overhead lighting. They also enhance flower density and quality, leading to better market value | These lights are effective for upper canopy growth but may leave lower parts underdeveloped, limiting overall yield and quality |
|
Design and Robustness |
These lights are designed to withstand challenging conditions, such as splashes and dust, often found in grow rooms. | While durable, they are not specifically designed for placement near the ground, making them less suitable for under-canopy use. |
|
Spectral Range and Tailorability |
Many models offer full-spectrum output to support balanced growth. Some brands, like GrowPros, provide dual-channel technology for customizable spectrums to further optimize under-canopy lighting | These often focus on providing a broad spectrum for overall plant growth but may not be tailored for specific under-canopy needs |
Connection Method

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