Skip to content
Energy Rebates - Get up to 100% of your costs covered
Energy Rebates - Up to 100% of your purchase back
Price Match Guarantee

More Details

Financing Available

More Details

Discreet Shipping

Secure Payment

More Details

Grower's Choice 3K-R 315 Watt SE CMH Bulb

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

by Grower's Choice
Sold out
$152.00
$152.00 - $152.00
$152.00
$76.00
$76.00 - $76.00
$76.00

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 Lamps are suitable for use in all standard 315w CMH fixtures. The 3K-R is an enhanced version of the 3K lamp that is designed specifically for plants that are prized for their resin production. It is similar to the original 3K, but it has contains a few subtle differences.

Grower's Choice 3000K 315 Watt SE CMH Bulb Features

  • A slight increase in UV light to promote resin production
  • A taller peak in the far-red to stimulate metabolic activity during flowering
  • Slightly higher PAR for better flower density
  • Increased intensity in red

Specifications

  • Spectrum: 3000K - ideal for bloom
  • Lumens Per Watt: 110
  • CRI: 90
  • Lumens At 100 Hours: 33000
  • Photon Flux: 540 umol/s
  • Lifespan: 15,000 hours

See the full spec sheet here.

Power 315 watts
Spectrum 3000K
Lumen@100 Hrs 33000
Lumens Per Watt 110
Photon Flux 540 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.