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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!

NextLight Plus Pro 320W LED Grow Light with DLC, CE, and UL certification icons shown below the fixture.
Angled view of the NextLight Plus Pro 320W LED Grow Light showing sleek, rectangular design and LED panel. Save up to $4,970.00 Save $0.00
$390.00 - $18,720.00
$390.00 - $18,720.00
$390.00
$299.00 - $13,750.00
$299.00 - $13,750.00
$299.00

NextLight Plus Pro 320W LED Grow Light

NextLight

Slim 320W full-spectrum LED with 2.6 µmol/J efficiency ideal for greenhouse and indoor supplemental lighting. The NextLight Plus Pro is a high-effi...

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$390.00 - $18,720.00
$390.00 - $18,720.00
$390.00
$299.00 - $13,750.00
$299.00 - $13,750.00
$299.00
Save up to $4,970.00 Save $0.00
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.
$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
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. 25% Off Discount Code Inside
$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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Spectral distribution chart of the SP 3000 full spectrum LED, highlighting peaks in red and blue wavelengths, and promoting flowering, leaf growth, and fruiting.
Angled view of the Mars Hydro SP 3000 LED Grow Light, showing its sleek, rectangular bar-style design with the brand name on the side and dual LED panels illuminated.
$229.99 - $229.99
$229.99
$229.99 - $229.99
$229.99

Mars Hydro SP 3000 Full Spectrum 300W LED Grow Light

Mars Hydro

300W LED grow light with high red spectrum, waterproof build, and silent cooling for 2x4 ft high-PPFD grow setups Penetration power meets precise c...

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$229.99 - $229.99
$229.99
$229.99 - $229.99
$229.99