Grower's Choice CMH 315W 4K Bulb

Grower's Choice CMH 315W 4K Bulb

Grower's Choice CMH 315W 4K Bulb

  • 2 In Stock
  • Out of Stock

Regular price $139.00 Sale price $69.99 Save $69.01

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 315w CMH/LEC fixture
  • Produces more PAR per watt than standard Metal Halide
  • Richest spectrum on the market
  • CRI of 97 makes this lamp the closest solution to sunlight available
  • Promotes extremely tight internodal spacing, leading to more flowering sites and a fuller canopy
  • Offers significant improvement in spectral quality over standard Metal Halide

Performance Data:

  • Light output (Lumens @ 100 Hours): 33,000
  • Lumens per Watt (lm/w): 110
  • Rated life (Hours @ 10 Hour / start): 15,000
  • Correlated Color Temperature (K): 4,200
  • Color Rendering Index (CRI) or (Ra): ≥98
  • Photon flux (μmol/s): 540
  • Burning Position: U

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