400W PHYTOMAX-2 Grow Light by Black Dog LED - Sunlike Spectrum Fan Cooled Light


Item specifics
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is … Read more
Custom Bundle: No
Wattage: 400w
600w Phytomax 2
Dimming Settings: 25%, 50%, 75%, 100%
Spectrum: Full Material: Aluminum
Number of Items in Set: 1 Installation Area: Indoor
Lighting Technology: LED Type: LED Light Panel
Black Dog
Features: Auto-dim Function, Emergency Shut-down
Manufacturer Warranty: 3 years Beam Angle: 120°
Amperage: 3.33 A Power Consumption: 600w
Suitable For: Flowering, Maintaining Mother Plants, Rooting Cuttings & Seedlings, Vegetative Growth UPC:
Does not apply

Shipping March 3rd 2021



Made in Colorado, USA

  • More efficient and powerful than any 600W HPS
    • PhytoMAX-2 400 LED grow lights for indoor plants better penetrate dense canopies to produce a superior yield with higher quality flowers and more trichomes
    • Increases yield over a 600W HPS while using 35% less electricity
    • LED grow lights save on electrical, cooling, reflector and bulb replacement costs
  • 168 High-Output 5-watt LEDs
    • Every top-bin LED is selected from the industry leader for the particular wavelength, including Cree, Osram, etc.
    • With glass lenses for durability and cleanability
    • High light intensity and energetic spectrum, crucial for canopy penetration to nourish lower leaves and flowers
    • Even, edge-to-edge coverage eliminates leaf burn and hot spots
  • 420 True Watts – 840 LED Watts
  • Large Coverage Footprint
    • Up to 4.25′ X 4.25′ (18 square feet!) of flowering footprint coverage!
    • Proven by independent spectroradiometer testing
  • Phyto-Genesis Spectrum®
    • The most efficient light spectrum for growing plants, based on over 6 years of research and testing, outperforming HPS, MH, CMH (LEC), induction, fluorescent, and “white”, so-called “full-spectrum” LEDs in equal wattage tests
    • One ideal spectrum for both vegetative and flowering stages eliminates stalling associated with spectrum changes such as switching from MH to HPS
    • True full spectrum ranging from UVA to NIR (365-750nm) goes Beyond PAR™ for ultimate flowering and vegetative plant cycles
    • Appears white to human eyes, allowing easy determination of plant health
    • Targets not only photosynthetic (chlorophyll / carotenoid) peaks but also:
      • Increases THC, CBD, terpenes, flavonoids, antioxidants / vitamins and pigmentation with UV light
      • Includes near infrared (NIR) light to boost photosynthetic efficiency through the Emerson Effect
      • Decreases internodal spacing to direct more of your plants’ energy to flowers and leaves, instead of stems
  • Commercial Grade LED Grow Light Panels
    • ETL certified to UL safety standards
    • Unique no-glass design delivers up to 8% more light to your plants
    • The best active heat management in the industry, crucial to maximizing LED efficiency, life, and spectrum stability
    • Largest heat sink among commercial LED grow lights for superior cooling and increased LED life
    • Ultra quiet, long-life fans: 70,000+ hour rated lifespan
  • Fast, Proven ROI
    • With a 6-12 month average return on investment, PhytoMAX-2 400 LED grow lights deliver higher yields with 35% less electricity than a 600W HPS
  • Contains no Highly Toxic Mercury
    • Unlike all HID (HPS, MH, CMH / LEC) and fluorescent / induction bulbs
    • No hazardous waste disposal fees
  • Metal adjustable ratcheting 8-foot light hangers
  • Industry-Leading 5 Year Warranty

Once you use PhytoMAX-2 LED grow lights for indoor plants, you’ll understand why people say HID is a thing of the past!

 Imperial      Metric
PhytoMAX-2 400
Max. Vegetative Footprint
5.25 feet (160 cm)
Max. Flowering Footprint
4.25 feet (130 cm)
Hanging Height
PhytoMAX-2 400
30 in. (77 cm)
38 in. (97 cm)
Hanging height above average top of plant canopy to achieve the maximum recommended footprint size.
Footprint Area
Average PPFD*
Hanging Height
Max. Recommended Vegetative 5.25 x 5.25 215 38
Max. Recommended Flower 4.25 x 4.25 329 30
Medium Recommended Flower** 3 x 3 660 21
Smallest Recommended Flower** 2.5 x 2.5 951 18

* Average PPFD measurements are over the entire footprint, edge-to-edge and corner-to-corner, based on reflective surroundings or adjacent lights.
** When growing in an area smaller than the Medium Recommended Flower Footprint, CO2 supplementation is generally required to make full use of the additional light.

The Phyto-Genesis Spectrum®:

Phyto-Genesis Spectrum


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