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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 10K 500 Watt Single Ended CMH Bulb

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$99.00 $169.00

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Grower’s Choice final phase 10k-CMH finishing lamp should be used during the last week to two weeks before harvest and is specifically designed to emit photons mainly in the ultraviolet 350-425 nm wavelength.

As high amounts of UV light causes damage to plant cells. In order to protect themselves and to facilitate reproduction,  plants compensate by releasing more resinous oils which translates into a higher quality yield.

 

Grower's Choice 10,000K 500 Watt SE CMH Bulb Features

  • For use in 500w and 1000w dual bulb CMH fixtures
  • Strong UV peaks for increased resin production 
  • Can be used for 25+ flower cycles before replacement
  • Use only in the last 7-14 days of flowering 
  • Durable quartz glass arc tube ensures long usable life

     

    Specifications

    • Spectrum: 10,000K - for increased resin production toward end of flowering 
    • CRI: 90
    • Photon Flux:  800 umol/s
    • Lifespan: 15,000 hours
    Power 500 watts
    Spectrum 10,000K
    Photon Flux 800 umol/s
    CRI 90
    Lifespan 15,000 hrs
    • Free shipping on all orders over $100 in the continental US and internationally for select brands.
    • Estimated Arrival: Between Sep 30 and Oct 7.
    • 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, if it is used in a Grower's Choice fixture. If not, the warranty is invalid. 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.

    Grower’s Choice final phase 10k-CMH finishing lamp should be used during the last week to two weeks before harvest and is specifically designed to emit photons mainly in the ultraviolet 350-425 nm wavelength.

    As high amounts of UV light causes damage to plant cells. In order to protect themselves and to facilitate reproduction,  plants compensate by releasing more resinous oils which translates into a higher quality yield.

     

    Grower's Choice 10,000K 500 Watt SE CMH Bulb Features

    • For use in 500w and 1000w dual bulb CMH fixtures
    • Strong UV peaks for increased resin production 
    • Can be used for 25+ flower cycles before replacement
    • Use only in the last 7-14 days of flowering 
    • Durable quartz glass arc tube ensures long usable life

       

      Specifications

      • Spectrum: 10,000K - for increased resin production toward end of flowering 
      • CRI: 90
      • Photon Flux:  800 umol/s
      • Lifespan: 15,000 hours
      Power 500 watts
      Spectrum 10,000K
      Photon Flux 800 umol/s
      CRI 90
      Lifespan 15,000 hrs
      • Free shipping on all orders over $100 in the continental US and internationally for select brands.
      • Estimated Arrival: Between Sep 30 and Oct 7.
      • 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, if it is used in a Grower's Choice fixture. If not, the warranty is invalid. 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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