HPS bulbs - FLUO bulbs (lamps) - CMH bulbs - 600 W
FLUO floriscent neon bulbs are suitable for plants in the vegetative and flowering phase. This type of bulbs are affordable and suitable for smaller spaces.
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.