Growers Choice 600W Double Ended MH Bulb, 4,000K

Growers Choice 600W Double Ended MH Bulb, 4,000K

SKU #: GC600W4K01

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Availability: In stock

Lead time: This product ships in 1-3 Business Days


Growers Choice Product Documents

Product Spec Sheet

The Grower's Choice 4K bulb is a slightly warmer metal halide, making it suitable for both flowering and vegetative growth. Growers get the most use out of this style of bulb towards the end of the vegetative stage.

  • Outputs UV spectra for enhanced resin production
  • 5% degradation rate at 10,000 hours
  • High quality quartz glass for consistent spectral output and PAR production
  • Designed to prolong bulb life and preserve light quality


  • Well-balanced light helps plants smoothly transition to the flowering stage
  • Useable in all stages of growth
  • Cool blue light is also great for industrial or retail applications
  • Long useable life: 90% at 5000 hours

Performance Data:

  • Light output (Lumens @ 100 Hours): 60,000
  • Lumens per Watt (lm/w): 100
  • Rated life (Hours @ 10 Hour / start): 6,000
  • Correlated Color Temperature (K): 4,000
  • Color Rendering Index (CRI) or (Ra): 65
  • Photon flux (μmol/s): 800
  • Burning Position: HOR±15°
Tech Specs


BrandGrowers Choice
Weight (lb.)0.31
Prop 65No
Warranty1 Year
Lead TimeThis product ships in 1-3 Business Days
UL ListedNo
Lighting TypeHPS/MH - Double Ended
Bulb OrientationHorizontal
Bulb TypeDouble Ended Metal Halide
Color Temp (Kelvin)4000 K
Color Rendering Index (CRI)65
Bulb Lumens60,000
Estimated Life Hours6000
Exact Watts600 Watts
Voltage100 Volts