FLUO bulbs (lamps) - HPS + MH bulbs (lamps) - CMH bulbs - Vegetative and flowering stage
HPS + HM bulbs (two bulbs in one) are suitable for plants in the vegetative and flowering phase.
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.