Skip to content
Free Shipping on most orders over $175 | Sales Tax in NJ only
Free Shipping on most orders over $175 | Sales Tax in NJ only

Grand Master LEDs

Grand Master lights deliver powerful grow lighting built for indoor growers who demand precision, durability, and high output. Known for their multi-channel spectrum control and water-resistant construction, these lights give you full control over your environment from seed to harvest.

For the best PAR consistency we have ever seen on a grow light with added diodes on the edges checkout GML's 4x4 and 5x5 tent grow lights.

Popular Grand Master lighting picks like the Tarantula Borg Evolution V2 and V3 offer intense full-spectrum coverage with Samsung EVO diodes and customizable tuning. Grandmaster LED lights' Tarantula Voyager packs the same top-tier performance with added versatility for various grow spaces. Expect unmatched consistency, rugged build, and proven results in every fixture.

Grand Master LEDs Tarantula Volcano 120W Under Canopy/Side Lighting LED Light Grand Master LEDs
Grand Master LEDs Tarantula Volcano 120W Under Canopy/Side Lighting LED Light Grand Master LEDs
$199.00 - $199.00
$199.00
$199.00
$199.00 - $199.00
$199.00

Grand Master LEDs Tarantula Volcano 120W Under Canopy/Side Lighting

Grand Master LEDs

Boost lower bud sites with high-efficiency side or under canopy lighting that’s waterproof, compact, and easy to install. This side and under canop...

View full details
$199.00 - $199.00
$199.00
$199.00
$199.00 - $199.00
$199.00
Side view of Grand Master LEDs Tarantula Reproduction Bar showing power input and LED strip for indoor grow light setups.
Angled view of Grand Master LEDs Tarantula Reproduction Bar with slim white housing and LED array for horticultural lighting.
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00

Grand Master LEDs Tarantula 2200K Booster Bar Pair

Grand Master LEDs

Fine-tune flowering and plant morphology precisely with warm-spectrum 2200K booster bars built to last. For serious cultivators looking to fine-tun...

View full details
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
Slim side profile of the Tarantula 730nm Booster Bar by Grand Master LEDs, highlighting its low-profile build.
Grand Master LEDs Tarantula 730nm Booster Bar with cables, showcasing compact design for flowering enhancement.
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00

Grand Master LEDs Tarantula 730nm Booster Bar Pair

Grand Master LEDs

Optimize flowering with precise far-red 730nm booster bars for enhanced bloom response and stretch control. For growers looking to fine-tune flower...

View full details
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
Rear view of the 660nm Booster Bar highlighting the cable connections and metal casing.
Angled view of the Grand Master LEDs Tarantula 660nm Booster Bar showcasing LED strip and connector ports.
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00

Grand Master LEDs Tarantula 660nm Booster Bar Pair

Grand Master LEDs

Boost bud density and flowering power efficiently with targeted deep red 660nm spectrum booster bars. For growers looking to optimize flowering and...

View full details
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
Graph showing the spectral output of the 9000K Booster Bar with high peaks in the blue range and moderate red coverage.
Angled view of the Grand Master LEDs Tarantula 9000K Booster Bar showing power connectors and sleek aluminum design.
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00

Grand Master LEDs Tarantula 9000K Booster Bar Pair

Grand Master LEDs

Enhance vegetative growth with energy-efficient blue spectrum booster bars for tighter nodes and stronger roots. The Grand Master Tarantula Booster...

View full details
$150.00 - $150.00
$150.00
$150.00 - $150.00
$150.00
End-on view of the Grand Master LEDs Tarantula Predator LED Bar, highlighting green-lensed optics and integrated hanging mount.
Diagonal view showing the entire Predator bar with connected power cord and green LED lens covers.
$225.00 - $225.00
$225.00
$225.00 - $225.00
$225.00

Grand Master LEDs Tarantula Predator

Grand Master LEDs

Boost canopy penetration and spectral precision with ultra-efficient 10W light bars—built to scale, daisy-chain, and thrive in humid grow environme...

View full details
$225.00 - $225.00
$225.00
$225.00 - $225.00
$225.00