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Having trouble choosing a grow light? Check out our article - What is the best grow light for your needs? It covers all the main factors you need to consider.

Grower's Choice 4K 630 Watt Double Ended CMH Bulb

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$159.00 $189.00

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  • Free Shipping on Orders Over $100 in the cont. US
  • All orders ship DISCREETLY within 2 business days.

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Introducing the industry’s first Double Ended Ceramic Metal Halide Lamp.

The Grower’s Choice 4K 630w DE CMH/LEC Lamp acts as a conversion lamp for any Double Ended fixture, instantly converting it to a CMH/LEC fixture. Growers thinking about upgrading to CMH/LEC can simply use a Grower’s Choice CMH/LEC Lamps in their existing DE fixture.

Grower’s Choice CMH/LEC Lamps offer a significant improvement in light output and spectral quality over traditional lighting sources

 

Grower's Choice 4200K 630 Watt DE CMH Bulb Features

  • Upgrades your standard DE fixture to an CMH/LEC fixture to instantly increase yield per watt
  • 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
  • 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
  • Bulb can directly replace a 600w MH or HPS bulb in a double ended fixture
  • Promotes extremely tight internodal spacing, leading to more flowering sites and a fuller canopy
  • Offers significant improvement in spectral quality over standard Metal Halide

 

Specifications

  • Spectrum: 4200K - ideal for veg, but works for bloom also
  • Lumens Per Watt: 105
  • CRI: 97
  • Lumens At 100 Hours: 65,000
  • Photon Flux:  1150 umol/s
  • Lifespan: 10,000 hours

 

See the full spec sheet here.

Power 630 watts
Spectrum 4200K
Lumen@100 Hrs 65,000
Lumens Per Watt 105
Photon Flux 1150 umol/s
CRI 97
Lifespan 10,000 hrs
  • Free shipping on all orders over $100 in the continental US and internationally for select brands.
  • Estimated Arrival: Between May 22 and May 29.
  • Tracking info will be provided (via email) within 24 hours of shipment.
  • Easy returns for up to 90 days, depending on brand.
  • Our shipping and returns page has more details, including return info for individual brands.

Warranty Information

There is a 1-year factory warranty on this bulb. In the case of shipping damage, you have 10 (ten) days from the receipt of your bulb to report the damage and request a replacement.

You may be wondering why you should buy your grow lights from us, instead of other available authorized dealers. Read on for the answers to all your burning questions.

 

10 Reasons to Trust Us With Your Business

  1. Customer Service. We are here to help and want the best for you. Use our live chat or email or call us during business hours. We are always here for you.
  2. Full Warranties and Generous Return Policies. We only carry top American brands that back their products with full warranties and return policies of up to 90 days, depending on the brand (details at the bottom of this page).
  3. Price Match. We want you to be absolutely secure that you're getting the best price with us, so we will not only match a lower price you find online before purchase, but will even refund you the difference up to a month after purchase (details here).
  4. Discreet Insured Shipping. All orders ship via FedEx, UPS, DHL, USPS, or a reputable freight company and the shipment is always insured, so you do not have to worry about a lost or damaged package. You also don't need to worry about prying eyes: all orders ship discreetly.
  5. Hassle-Free Returns. We always adhere to the manufacturers' return policies (details on each manufacturer at the bottom of this page).
  6. Free Shipping on orders over $100 to the lower 48 states.
  7. No Sales Tax Anywhere, except WY, and CA for some brands.
  8. Authorized Dealers. We only carry American brands whose lights and other products have been extensively tested by real growers and processors. 100% US warranty on all products.
  9. Buyer's Guides. We have created buyer's guides for both HID and LED grow lights, as well as rosin presses and bud trimming machines, to help you find the perfect light or press for your needs. We also have reviews and comparisons of the top 1000w LED grow lights and the top 600w LEDs.
  10. Safe & Secure Systems in place for every payment transaction.

Introducing the industry’s first Double Ended Ceramic Metal Halide Lamp.

The Grower’s Choice 4K 630w DE CMH/LEC Lamp acts as a conversion lamp for any Double Ended fixture, instantly converting it to a CMH/LEC fixture. Growers thinking about upgrading to CMH/LEC can simply use a Grower’s Choice CMH/LEC Lamps in their existing DE fixture.

Grower’s Choice CMH/LEC Lamps offer a significant improvement in light output and spectral quality over traditional lighting sources

 

Grower's Choice 4200K 630 Watt DE CMH Bulb Features

  • Upgrades your standard DE fixture to an CMH/LEC fixture to instantly increase yield per watt
  • 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
  • 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
  • Bulb can directly replace a 600w MH or HPS bulb in a double ended fixture
  • Promotes extremely tight internodal spacing, leading to more flowering sites and a fuller canopy
  • Offers significant improvement in spectral quality over standard Metal Halide

 

Specifications

  • Spectrum: 4200K - ideal for veg, but works for bloom also
  • Lumens Per Watt: 105
  • CRI: 97
  • Lumens At 100 Hours: 65,000
  • Photon Flux:  1150 umol/s
  • Lifespan: 10,000 hours

 

See the full spec sheet here.

Power 630 watts
Spectrum 4200K
Lumen@100 Hrs 65,000
Lumens Per Watt 105
Photon Flux 1150 umol/s
CRI 97
Lifespan 10,000 hrs
  • Free shipping on all orders over $100 in the continental US and internationally for select brands.
  • Estimated Arrival: Between May 22 and May 29.
  • Tracking info will be provided (via email) within 24 hours of shipment.
  • Easy returns for up to 90 days, depending on brand.
  • Our shipping and returns page has more details, including return info for individual brands.

Warranty Information

There is a 1-year factory warranty on this bulb. In the case of shipping damage, you have 10 (ten) days from the receipt of your bulb to report the damage and request a replacement.

You may be wondering why you should buy your grow lights from us, instead of other available authorized dealers. Read on for the answers to all your burning questions.

 

10 Reasons to Trust Us With Your Business

  1. Customer Service. We are here to help and want the best for you. Use our live chat or email or call us during business hours. We are always here for you.
  2. Full Warranties and Generous Return Policies. We only carry top American brands that back their products with full warranties and return policies of up to 90 days, depending on the brand (details at the bottom of this page).
  3. Price Match. We want you to be absolutely secure that you're getting the best price with us, so we will not only match a lower price you find online before purchase, but will even refund you the difference up to a month after purchase (details here).
  4. Discreet Insured Shipping. All orders ship via FedEx, UPS, DHL, USPS, or a reputable freight company and the shipment is always insured, so you do not have to worry about a lost or damaged package. You also don't need to worry about prying eyes: all orders ship discreetly.
  5. Hassle-Free Returns. We always adhere to the manufacturers' return policies (details on each manufacturer at the bottom of this page).
  6. Free Shipping on orders over $100 to the lower 48 states.
  7. No Sales Tax Anywhere, except WY, and CA for some brands.
  8. Authorized Dealers. We only carry American brands whose lights and other products have been extensively tested by real growers and processors. 100% US warranty on all products.
  9. Buyer's Guides. We have created buyer's guides for both HID and LED grow lights, as well as rosin presses and bud trimming machines, to help you find the perfect light or press for your needs. We also have reviews and comparisons of the top 1000w LED grow lights and the top 600w LEDs.
  10. Safe & Secure Systems in place for every payment transaction.

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