Grower's Choice 315W Single Ended CMH Bulb, 3,100K

Grower's 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

Customer Reviews 1 item(s)

"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✌

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