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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

300-399 Watt Grow Lights

This selection provides robust output for advanced vegging and moderate flowering phases. Ideal for 3x3 tent setups, these lights hit mid-range PPFD targets for growers scaling their output. They deliver spectrum consistency and efficiency, making them a smart investment for home or hobbyist growers looking to push plant growth further.

Transitioning to a larger grow setup? Reach out for bulk options and check if you're eligible for rebate programs!

Spectral distribution chart of HLG 350 Diablo showing high PAR output across blue, green, and deep red wavelengths.
HLG 350 Diablo LED grow light with 'Diablo' branding on a white background
$549.00 - $598.00
$549.00 - $598.00
$549.00 - $598.00
$549.00

HLG 350 Diablo Full Spectrum LED Light

Horticulture Lighting Group

Maximize yield in tight spaces with 600W HPS power at just 330 watts. The HLG 350 Diablo is a powerful, high-efficiency LED grow light designed to ...

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$549.00 - $598.00
$549.00 - $598.00
$549.00 - $598.00
$549.00
Medic Grow Mini Sun-2 LED grow light with feature icons for full spectrum, dimming, and timer.
Top view of Medic Grow Mini Sun-2 LED grow light showing heat sink and power supply.
$199.00 - $498.00
$199.00
$199.00 - $498.00
$199.00 - $498.00
$199.00

Medic Grow Mini Sun-2 Full Spectrum Dimmable LED Grow Light

Medic Grow

Boost small grow tents with full spectrum Osram LEDs, smart dimming, and energy-saving passive cooling technology. The Medic Grow MINI SUN-2 is bui...

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$199.00 - $498.00
$199.00
$199.00 - $498.00
$199.00 - $498.00
$199.00
FloraFlex 360W LED light bars powered on in horizontal layout without tripods, showing purple-white glow.
FloraFlex 360W under canopy light kit laid out with 3 LED bars, power supply, and connection cords. Limited time 12% Discount
$21,874.50 - $21,874.50
$21,874.50
$21,874.50 - $21,874.50
$21,874.50

FloraFlex 3 Bar 360W Full Spectrum Under Canopy Lights - 4x4 to 4x6

FloraFlex

Delivers full spectrum coverage for healthier lower growth and stronger yields. The FloraFlex 3 Bar 360W full spectrum LED grow light is built to s...

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$21,874.50 - $21,874.50
$21,874.50
$21,874.50 - $21,874.50
$21,874.50
Tarantula Tent Ultimate 2x4 PPFD Map with height measurements and average PPFD values on a white background.
Grand Master LEDs 2x4 grow tent light showing uniform LED coverage and dimming control for vegetative and flowering.
$350.00 - $350.00
$350.00
$350.00 - $350.00
$350.00

Grand Master LEDs Tarantula Tent Ultimate 2x4 LED Grow Light

Grand Master LEDs

Delivers unmatched uniform light distribution across 2' x 4' grow spaces with 320W of professional LEDESTAR diodes. The Tarantula Tent Ultimate 2x4...

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$350.00 - $350.00
$350.00
$350.00 - $350.00
$350.00
Nova Sun Series LED grow light mounted in a photometric testing chamber for spectrum accuracy and light output verification.
Front-facing view of Nova Sun Series LED grow light with dense diode layout delivering high PPFD and even canopy coverage.
Save up to $800.00 Save $0.00
$999.00 - $2,098.00
$999.00 - $2,098.00
$999.00
$449.00 - $1,498.00
$449.00 - $1,498.00
$449.00

Mammoth Lighting Nova Sun Full Spectrum LED Grow Light - Emerald Green + Red Terp Boost Spectrum

Mammoth Lighting

Delivers true sunlike CMH spectrum with advanced science-backed design for higher yields and quality. The Mammoth Nova Sun Series is the first and ...

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$999.00 - $2,098.00
$999.00 - $2,098.00
$999.00
$449.00 - $1,498.00
$449.00 - $1,498.00
$449.00
Save up to $800.00 Save $0.00
Underside view of the Photontek SQ 300W Pro LED grow light showing dense LED diode array on red bars.
Photontek SQ 300W Pro LED grow light with square multi-bar frame and external driver mounted on top.
$379.00 - $379.00
$379.00
$379.00
$379.00 - $379.00
$379.00

Photontek SQ300W PRO LED Grow Light

Photontek

Powerful full-spectrum LED delivering high efficiency and intensity for compact 3.3' x 3.3' grow spaces. For tight spaces that demand high efficien...

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$379.00 - $379.00
$379.00
$379.00
$379.00 - $379.00
$379.00
Full spectrum LED grow light output emphasizing red-rich wavelengths for bloom cycles.
Underside view of Grand Master LEDs Tarantula Greenhouse 320 with high-density LED coverage.
Sold out
$450.00 - $500.00
$450.00 - $500.00
$450.00 - $500.00
$450.00

Grand Master LEDs Tarantula Greenhouse 320

Grand Master LEDs

Maximize your greenhouse performance with the Tarantula Greenhouse 320 engineered for high PPFD cultivation and consistent harvest quality. The Gra...

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$450.00 - $500.00
$450.00 - $500.00
$450.00 - $500.00
$450.00
Sold out
AC Infinity grow light ecosystem diagram showing connectivity with UIS controllers, fans, and smart app integration.
AC Infinity Ionframe EVO4 LED grow light with central driver and built-in digital controller on a sturdy metal frame.
$384.66 - $523.66
$384.66 - $523.66
$384.66 - $523.66
$384.66

AC Infinity IONFRAME EVO4 300W Commercial LED Grow Light

AC Infinity

Efficient bar‑style LED delivers uniform coverage deep into the canopy using Samsung LM301H EVO diodes at 3.14 µmol/J. The AC Infinity IONFRAME EVO...

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$384.66 - $523.66
$384.66 - $523.66
$384.66 - $523.66
$384.66
Spectrum graph for the HLG Greenhouse Pro FS LED showing optimized full-spectrum output with blue, red, and deep red peaks tailored for cannabis plant growth.
Top-down shot of HLG Greenhouse Pro FS showing long rectangular design and full-spectrum LED layout, built for professional indoor or greenhouse installations.
Sold out
$529.00 - $529.00
$529.00
$529.00 - $529.00
$529.00

HLG Greenhouse 350 Pro FS HV LED Grow Light

Horticulture Lighting Group

Enhance flower development with energy-efficient full-spectrum lighting. Built for commercial greenhouse cultivation, the HLG Greenhouse 350 Pro FS...

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Grower's Choice 10K 315 Watt SE CMH Bulb
Sold out
$152.00
$152.00 - $152.00
$152.00
$76.00
$76.00 - $76.00
$76.00

Grower's Choice 10K 315 Watt Single Ended CMH Bulb

Grower's Choice

The addition of 10K UV light towards the end of the bloom cycle increases resin production in flowering plants as a defense mechanism in response t...

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$152.00
$152.00 - $152.00
$152.00
$76.00
$76.00 - $76.00
$76.00
Sold out
Sunmaster Full Nova 3800K 315 Watt CMH Bulb
Save $18.95 Save $0.00
$107.95
$107.95 - $107.95
$107.95
$89.00
$89.00 - $89.00
$89.00

Sunmaster Full Nova 4000K 315 Watt CMH Bulb

Sunmaster

The Sunmaster Full Nova 4000K 315 Watt CMH Bulb was designed for maximum efficiency and e-ballast compatibility. It has the industry's most balanc...

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$107.95
$107.95 - $107.95
$107.95
$89.00
$89.00 - $89.00
$89.00
Save $18.95 Save $0.00