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Experience Grower's Choice Se 315w Cmh Lamp 3k-r - Gc315w3kr02 Instant 40% Discount [9GBn7xhL]

$27.99 $89.99 -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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Experience Grower's Choice Se 315w Cmh Lamp 3k-r - Gc315w3kr02 Instant 40% Discount [9GBn7xhL]

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.

  • 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

  • Color: 3000K
  • Type: SE-CMH
  • Wattage: 315W
  • Initial Par: 540 umol/s
  • CRI: 90
  • Hours: 15,000

What Our Customers Say

January 24, 2026

Absolutely no complaints!

The performance is amazing and the product is well-built.

- Veda M..

January 24, 2026

Absolutely no complaints!

It's a very reliable and well-built tool. I trust it.

- Rodney M..

January 24, 2026

Absolutely no complaints!

This product is a brilliant addition to my home.

- Forrest C..

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