Phytolite - HALO - Light Interaction - Elektrox - Lumatek - Lumen-King - Gualala Robotics - Cli-Mate - Lux-Helios - Fertraso - TBM - CMH bulbs
CMH (ceramic metal halide - also LEC or CMD) bulbs are suitable for plants in the vegetative and flowering phase. CMH lamps produce the most sun-like spectrum of light.