Ceramic MH (CMH)

CMH 315W Lamp Comparison Test Data & Review Ceramic Science 315W CMH Light Conversion Kit Unboxing & Review

Ceramic Metal Halide (CMH or CDM) lamps are a relatively new source of HID light that is a variation of the traditional Metal Halide HID lamp. CMH lamps use 20% of the power of comparable incandescent light bulbs for the same output (80-117 lumens/watt) and retain their color spectrum better than most other gas discharge lamps, making them a great option for indoor grow lights. The ceramic tube unique to CMH lamps is an advantage in comparison to the fused quartz tube in traditional MH lamps. This Ceramic tube and the metallic atoms within it create a bluish light that is close to daylight with a CRI (color rendering index) of up to 96.

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  1. $69.93

    Philips Elite Agro 315W T12 Ceramic Metal Halide Lamp 3100k is a flowering, budding spectrum lamp designed for maximum efficiency. This Philips CMH is the bulb that comes with the Sun System Ceramic MH 120 and 240v fixture. Learn More
  2. $69.93

    Philips Elite 315W T12 Ceramic Metal Halide Lamp 4200k is a propagation, vegetative spectrum lamp designed for maximum efficiency. This Philips CMH can be used with the Sun System Ceramic MH 120 and 240v fixture. Learn More
  3. Prism Lighting Science 315W 4000K Ceramic Metal Halide (CMH) lamp is manufactured to the specifications of the Philips 315w CMH lamp. Both the Philips and Prism lamp are designed with agricultural spectra for use on square wave, low frequency ballasts. Learn More
  4. $477.24

    CMH lamps should be considered as a component of any lighting recipe. CMH provides uniform and full spectrum light for optimal plant growth. CMH lamps are great for cloning, flowering and vegetative growth. 1.9 μmol, 33,000 lumens. 6 Pack. Learn More
  5. $488.58

    4200 K CMH lamps should be considered as a component of any lighting recipe. CMH provides uniform and full spectrum light for optimal plant growth. CMH lamps are great for cloning, flowering and vegetative growth. 1.9 μmol, 33,000 lumens. 6 pack. Learn More
  6. Red Enhanced True DE 630W Double Ended Ceramic Metal Halide Grow Lamp. This lamp had precision gasses for enhanced spectral output, and generates less heat than HPS and MH. This lamp also matches sunlight very closely compared to many other lighting solutions available. Also available in 4200K, and Single Ended 315W versions, see related products below. Use with a 1000w high frequency digital ballast dimmed down to 600w. These bulbs are not compatible with most 1000w DE Complete Fixtures including Gavita 6/750w DE Complete Fixtures. Learn More
  7. $179.87

    Out of stock

    945 W Double Ended Ceramic Metal Halide Lamp, 3100K. Initial Par of 2000 umol/s. 115 lumens per watt. 400v operating voltage. Designed for COMMERCIAL FIXTURES (non-fan based ballasts) ONLY. We recommend only using this lamp with the Growers Choice DE CMH Complete Fixture. Learn More
  8. $78.24

    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. Learn More
  9. $111.22

    Suitable for use in any DE hood with any 315W CMH ballast. Offers a significant improvement in light output and spectral quality over traditional light sources. Learn More
  10. $111.22

    Suitable for use in any DE hood with any 315W CMH ballast. Offers a significant improvement in light output and spectral quality over traditional light sources. Learn More
  11. The DimLux Daylight CMH 315W 3k Agro is a full-spectrum lamp with extra red light. Overlaps the entire PAR spectrum of Plasma with more than twice as much flowering light. Efficiency 1.9 μmol per watt. Learn More
  12. DimLux Daylight CMH 315W 4k Agro. The DimLux Daylight CMH 315W 4k is a full-spectrum lamp with extra blue light. Overlap the entire PAR spectrum of Plasma but with more than twice as much flowering light. Efficiency 1.9 μmol per watt. Learn More
  13. $92.86

    The EYE HORTILUX Ceramic Metal Halide (CMH) 315 grow lamp was designed specifically for horticulture. Most ceramic metal halide lamps were designed for use in the retail space, so the UV light was blocked. Hortilux uses a glass that allows the UV light to pass through benefiting plant growth.

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  14. True DE 630W Double Ended Ceramic Metal Halide Grow Lamp. This lamp had precision gasses for enhanced spectral output, and generates less heat than HPS and MH. This lamp also matches sunlight very closely compared to many other lighting solutions available. Also available in 3100K, and Single Ended 315W versions, see related products below. Use with a 1000w high frequency digital ballast dimmed down to 600w. These bulbs are not compatible with most 1000w DE Complete Fixtures including Gavita 6/750w DE Complete Fixtures. Learn More
  15. $77.78

    Ushio introduces HiLux Gro, a new line of grow lamps made to help promote enhanced vegetative growth and flowering. The HiLux Gro lamps are made to assure consistency in quality and optimized for high performance. Learn More

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CMH grow light lamps or also called light-emitting ceramics are a relatively new source of HID light that is a variation of the traditional Metal Halide HID lamp. Not only do ceramic metal halide lights provide plants with a wide lighting spectrum, they use fewer watts and produce less heat than other types of lighting, saving you money in the long run. CMH metal halide grow lights are made with an arc tube constructed of a ceramic composite instead of quartz or PCA. This allows the tube to reach a higher temperature.