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Believe It Grower's Choice Ceramic Metal Halide Cmh Lamp 3100k 315w Series [D4WwUV3l]

$26.99 $86.99 -69%

The Grower’s Choice 315w CMH/LEC Lamps are suitable for use in all standard 315w CMH/LEC fixtures. The 3K-R is an enhanced version of our 3K lamp that is designed specifically for plants that are prized for their resin production. It is similar to th

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The Grower’s Choice 315w CMH/LEC Lamps are suitable for use in all standard 315w CMH/LEC fixtures. The 3K-R is an enhanced version of our 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. Growers report tighter inter-nodal spacing and better yields on flowering plants. Also available in 4200K, and Double Ended 630W versions, see related products below.

The Grower’s Choice 315w CMH/LEC Lamps are suitable for use in all standard 315w CMH/LEC fixtures. The 3K-R is an enhanced version of our 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. This bulb contains precision gasses for an enhanced spectral output. It also generates less heat than HPS and MH. The 3K-R 315W Single Ended CMH more closely matches sunlight than any other lighting solution available. Growers report tighter inter-nodal spacing and better yields on flowering plants.

  • 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

  • Specifications

    Color: 3100K
    Type: SE-CMH
    Wattage: 315W
    Initial Par: 565 umol/s
    CRI: 87
    Hours: 10,000






        What Our Customers Say

        January 1, 2026

        Absolutely no complaints!

        I would definitely buy this again.

        - Michelle W..

        January 1, 2026

        Absolutely no complaints!

        This is a very responsive system with zero lag.

        - Psi_Power.

        January 1, 2026

        Absolutely no complaints!

        This product is a testament to what quality should be.

        - Hannah I..

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