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

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

by Grand Master LEDs
$199.00 - $199.00
$199.00
$199.00
$199.00 - $199.00
$199.00

See note on Interconnect Cables and Power Cords below.

🌿 Free shipping on U.S. orders $175+, unless noted above

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SAVE BIG! Contact us for Bulk Pricing and Rebate Eligibility, or call us at (973) 206-7590.

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Full Manufacturer’s Warranty

You buy it, we back it! Your purchase is fully covered with a manufacturer’s warranty. More details here.

Maximize lower bud growth with the Grand Master LEDs Tarantula Volcano delivering 3.21 µmol/J of targeted light and plug-and-play side lighting versatility

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

This side and under canopy LED light is built for serious growers who demand more out of every square foot. With 385 PPF total output, a high-efficiency 3.21 µmol/J rating, and a slim 48" profile, the Tarantula Volcano slides under your canopy or mounts vertically to hit lower bud sites with intense, usable light. It’s housed in durable metal for superior heat dissipation, fully waterproof (IP66), and wired with plug-and-play connectors, making installation fast and painless. Works with 0–10V and PWM dimmers for full control across growth stages.

Is the Tarantula Volcano Energy-Efficient?

Absolutely. At 3.21 µmol/J, it more than doubles the efficiency of standard HPS (1.7 µmol/J) and beats out many premium HPS fixtures (1.8–2.1 µmol/J). That means more usable light per watt, less wasted energy, and better ROI in both small- and large-scale grow setups.

Interconnect Cables and Power Cords

Whether you're testing under canopy for your grow operation or just need 1 unit for your home grow, here's all you will need:

Single-Light Setup

Multi-Light Setup (2-9 on 120V; 2-18 on 240V; 2-21 on 277V)

  • 1 x Power Cord - Only the first light in the chain needs power
  • 1 x Interconnect Cable per additional light (e.g., 5 lights = 4 cables)
    • Tip: A single 4ft interconnect is sufficient at the end of a run to cross to the other side of a table; an 8ft cable is ideal for jumping an aisle. Each light connects via onboard cables.

Under Canopy Placement Options

The Under Mount Kit can support one pair of Volcano lights. (It is also possible to have 3 lights on one under-mount kit.)

Side Placement Option

The Side Mount Kit (10ft) can vertically support 1–2 lights on trellis poles or tent frames. Great for increasing yield with directional lighting.

Tarantula Volcano grow light mount options for multi-tier cultivation racks

Features

  • Metal housing for superior heat dissipation and extended lifespan
  • Flexible installation options to suit various needs
  • Plug-and-play connectors for effortless wiring
  • 0-10V and PWM dimming for enhanced control
  • IP66-rated waterproof protection
  • 5-year warranty

What's Included?

  • Grand Master LEDs Tarantula Volcano Light

See note on Interconnect Cables and Power Cords below.

Download Resources

Specifications

Model name: Tarantula Volcano

Input voltage: 120 Vac / 240 Vac / 277 Vac

Max. input current: 1.061 A (120V), 0.544 A (240V), 0.472 A (277V)

Power factor: >0.99 (120V), >0.95 (240V/277V)

Typical wattage ±5%: 120W

Daisy-chaining (through wiring): Max. 9 units (120V), 18 units (240V), 21 units (277V)

LED brand: Ledestar

Dimming: RJ-14 cable, 10%–100% DIM-TO-OFF

Dimming cable length: 50 ft

IP rate: IP66

Surge protection: 4KV

LED configuration: 5000K + 660nm

LED lifetime: >100,000 hours

Max. ambient temp: 104°F (40°C)

Plug type & power cable (sold separately): NEMA 5-15P & 10ft AWG#16 (120V), NEMA 6-15P & 10ft AWG#16 (240V/277V)

Warranty: 5 year

Fixture dimension: 1227.3mm x 72.4mm x 70.1mm (48.32" x 2.85" x 2.76")

Fixture net weight: 2.4 kg (5.29 lbs) including driver

Spectrum

Control Signal Input and Output

Grow Light Central expert advice for indoor growing equipment

Who should use this grow light?

  • Commercial cultivators looking to boost yield through targeted side or under-canopy lighting.
  • Operators running dense canopies where lower buds struggle to get full exposure.
  • Growers using vertical racking or multi-tier systems needing slim, powerful lighting.
  • Teams optimizing every gram with high-efficiency supplemental lighting.
  • Facilities prioritizing durability and waterproof, long-lasting components.

Best applications

  • Under-canopy lighting to boost lower bud sites and reduce popcorn nugs.
  • Side lighting in flower rooms for fuller development and uniformity.
  • High-efficiency supplementation with 3.21 µmol/J outpacing top-tier HPS.
  • Flexible install options make it easy to adapt to various room layouts.
  • Data-driven control with 0-10V and PWM dimming for precise tuning.

Why Shop with Grow Light Central?

“There’s a crapload of equipment providers out there. What makes Grow Light Central so special?”

“There’s a crapload of equipment providers out there. What makes Grow Light Central so special?”

Grow Light Central is a grow equipment solution provider connecting you to 100+ brands and 60+ suppliers trusted and used in the best grow facilities across the country.

Anthony, the owner and operator, personally ensures every order is handled right. No passing you off, no runaround, just the expert service and advice you deserve.

FAQs

Do under canopy LED lights really improve bud growth?

Yes. Under canopy lights give lower bud sites direct light, preventing popcorn buds and boosting density, potency, and overall yields with more uniform bud growth.

How much yield increase can I expect from under canopy lighting?

Growers typically see 10–30% higher yields. LED under canopy lights help shaded branches produce dense, top-quality buds instead of small, underdeveloped ones.

Are under canopy LED lights energy efficient and cost effective?

Yes. With efficiencies of 2.5–3.0 μmol/J, these lights use little power while significantly boosting production, making them a high ROI investment for indoor bud growers.

How do I install under canopy grow lights in my setup?

Under canopy LED bars are slim and easy to mount. They can be placed on the floor, clipped to tent poles, or daisy-chained along racks, fitting hobby tents or commercial grows.