Growers Choice 315W Single Ended CMH Bulb, 3,100K

Growers Choice 315W Single Ended CMH Bulb, 3,100K

SKU #: GC315W3K01
Growers Choice Brand Product

Commercial Grower? Get Volume Pricing.

Availability: In stock

Lead time: Ships in 1-3 Days


Growers Choice Product Documents

Product Spec Sheet

The Grower’s Choice 315w CMH/LEC Lamps are suitable for use in all standard 315w CMH/LEC fixtures. Grower’s Choice 315w CMH/LEC Lamps use a proprietary phosphor coating on the outside of the arc tube to provide you with the richest spectrum on the market.

  • Contains precision gasses for enhanced spectral output
  • Generates much less heat than HPS and MH
  • More closely matches sunlight than ANY other lighting solution available
  • Growers report tighter inter-nodal spacing and better yields on flowering plants


  • For use in any standard 315w CMH/LEC fixture
  • Produces more PAR per watt than HPS
  • Richest spectrum flowering lamp on the market with a CRI of 90
  • Optimal for flowering but can be used for Veg as well
  • Promotes higher rate of metabolic activity and resin production through the use of UV and Far-red spectra

Performance Data:

  • Light output (Lumens @ 100 Hours): 37,000
  • Lumens per Watt (lm/w): 120
  • Rated life (Hours @ 10 Hour / start): 15,000
  • Correlated Color Temperature (K): 3,100
  • Color Rendering Index (CRI) or (Ra): ≥90
  • Photon flux (μmol/s): 570
  • Burning Position: U
Tech Specs


BrandGrowers Choice
Weight (lb.)0.31
Prop 65No
Lead TimeShips in 1-3 Days
UL ListedNo
Lighting TypeCMH - Single Ended
Bulb TypeSingle Ended Ceramic Metal Halide
Color Temp (Kelvin)3100 K
Color Rendering Index (CRI)≥90
Bulb Lumens37,800
Estimated Life Hours15,000
Exact Watts315 Watts
Voltage100 Volts

Growers Choice 315W Single Ended CMH Bulb, 3,100K Reviews

"Will be getting another"
Tried it to make sure it worked, bought it for a spare. I left it in for the grow and it was superb at finish✌