Skip to content
Energy Rebates | Get up to 100% of your costs covered | Find out more here
Energy Rebates | Get up to 100% of your costs covered | Find out more here
Price Match Guarantee

More Details

Financing Available

More Details

Discreet Shipping

Secure Payment

More Details

Grower's Choice 3K 315 Watt Single Ended CMH Bulb

Save $70.00 Save $70.00
Original price $152.00
Original price $152.00 - Original price $152.00
Original price $152.00
Current price $82.00
$82.00 - $82.00
Current price $82.00

Contact Us For Volume Pricing.

Notify me when back in stock
Cash Payments: Take an additional 3% off

Get an additional 3% off when you pay by Bank Transfers (ACH) or Money Order. Select your option at check out.

All Other Payment Options

We accept all major credit cards, crypto and Paypal 0% credit plans. More detail here.

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.

Grower's Choice 3100K 315 Watt SE CMH Bulb Features

  • 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


  • Spectrum: 3100K - ideal for bloom, but works for veg also
  • Lumens Per Watt: 120
  • CRI: 90
  • Lumens At 100 Hours: 37000
  • Photon Flux: 570 umol/s
  • Lifespan: 15,000 hours

See the full spec sheet here.

Power 315 watts
Spectrum 3100K
Lumen@100 Hrs 37000
Lumens Per Watt 120
Photon Flux 570 umol/s
CRI 90
Lifespan 15,000 hrs

- Free Shipping on all orders $175+ in the continental US (some exclusions apply).
- In most cases tracking info will be provided via email within 24 hours of shipment.
- Easy Returns within 10 days of purchase + 25% restocking fee.
- Please see our Shipping & Returns policy for more details.

Warranty Information
Grower's Choice purchases include a 5 year warranty.