18" SunBlaster LED 18W Grow Light
Best supplemental lighting for indoor gardeners seeking to boost plant yields.
Elevate your indoor garden with the SunBlaster 18" LED Grow Light Bar. This 18W fixture delivers 6400K full-spectrum light, perfect for supplemental side lighting to maximize plant growth and yields. Its innovative Self-Cooling Technology ensures efficient operation with minimal heat and energy consumption. Designed for hydroponic systems and year-round cultivation, this grow light is an excellent addition to any grow room or tent, helping your plants thrive and achieve impressive results.
$44.95
Owner Satisfaction
4.5
/ 5
Category Rank
290
/ 1077
#290 in LED Light Bulbs
Price vs Category Average
-40%
Below average
Wattage
18
/ W
Who it's for
- Space-conscious growers needing modular lighting for tight shelving
- Indoor gardeners seeking lower electricity bills and heat management
- Plant enthusiasts focused on healthy vegetative growth and propagation
Who should skip it
- Budget-focused shoppers comparing upfront costs to traditional fluorescents
- Growers managing large plant collections requiring wide, uniform coverage
- Gardeners aiming for high-yield fruiting or flowering harvests
Performance breakdown
Spectral Efficiency
The 6400K spectrum provides excellent blue-light output for vigorous vegetative growth.
Thermal Management
Self-cooling technology keeps surface temperatures low to protect delicate plant foliage.
Installation Versatility
Linking cords and compact design make side-lighting setups quick and effortless.
Energy Economy
Low 18W draw delivers impressive lumen output without spiking electricity costs.
Build Durability
Aluminum housing offers a robust, professional feel for long-term indoor use.
Operational Longevity
Rated for 50,000 hours, ensuring years of reliable service for indoor gardens.
Key Specs
Wattage
18 W
Bulb Type
LED
Item #
SL0900701
Light Output
1950 Lumens
Rated Life
50,000 Hours
Voltage
120 Volts
Color Temperature
6400K
Fixture Material
Aluminum
Features
- Efficient 18W LED lighting
- Promotes healthy plant growth
- Maximizes plant yields
- 6400K color temperature
- Self-Cooling Technology
- Ideal for hydroponic systems
- Supplemental side lighting
- Includes power and linking cords
What customers say
Customers highly regard the 18 inch SunBlaster LED as a premium, reliable fixture ideal for propagation and vegetative growth. Reviewers consistently report vigorous seedling development, noting superior results compared to fluorescent options. A key benefit is the slim design and the ability to seamlessly daisy chain multiple units, simplifying efficient grow rack setups. The low heat output allows close placement to delicate canopies, maximizing light delivery. While the initial cost is higher, users feel the superior build quality and energy efficiency justify the investment for this professional grade tool. Its primary limitation is insufficient output for heavy flowering cycles.
Know before you buy
The 6400K spectrum mimics natural daylight, which is ideal for vegetative growth. It encourages lush, compact foliage and healthy development in seedlings, clones, and leafy greens.
Yes, the fixture includes linking cords that allow you to daisy-chain multiple units together. This is a convenient way to expand your lighting coverage using a single power outlet.
No, the fixture features integrated Self-Cooling Technology. The aluminum housing is designed to dissipate heat efficiently, so you do not need to worry about extra fans or complex cooling setups.
This 18W bar is best utilized as supplemental side lighting to fill in shadows and boost light intensity for plants in grow tents or hydroponic systems. While it is highly efficient, larger plants may require additional overhead lighting to reach full maturity.
The integrated LEDs are rated for 50,000 hours of use. With standard daily operation, this fixture should provide years of reliable performance before any significant decline in light output.
Still have a question?
Ask Hayley anything about this product before you decide.