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. 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. 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. 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. 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. 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
  7. 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
  8. 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. 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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  10. 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. Also available in 3100K, and Double Ended 630W versions, see related products below. Learn More
  11. Growers Choice brings us a 3K 315W Single Ended CMH (Ceramic Metal Halide) Light. This bulb contains precision gasses for an enhanced spectral output. It also generates less heat than HPS and MH. The 3K 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. Also available in 4200K, and Double Ended 630W versions, see related products below. Learn More
  12. SunPulse Ceramic Metal Halide Grow lamps were created by the GAS Technologies group of photo-biologists, plant scientists, mechanical and electrical engineers, gas chemists, and HID lamp designers. Learn More
  13. Ceramic Metal Halide CMH 315W Lamp Designed by worlds leading light and application engineers. 3.15Amps, Universal Operating Position, 33,000 Lumens, 105 Lumens per Watt, 20,000 Rated Life, 3200K Color Temperature Learn More
  14. 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 Learn More
  15. 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 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.