Metal Halide Indoor Cultivation produce plenty of light in the blue spectrum. This spectrum (blue) stimulates the growth of the plant and is excellent for green leafy growth and preservation of the plants compact.
Metal halide for indoor cultivation is the best kind of lighting that can be used as the primary light source (if little or no natural light is available).
Its average life span is approximately 10,000 cumulative hours. The lamp will work well beyond these hours, but because of the gradual reduction of the power of light, it is not worthwhile to expect to burn out completely.
If you compare the lumens by an electrical energy unit, MH produces up to 125 lumen / watt as opposed to fluorescent lamps producing up to 39 lumen / watt and incandescent light bulbs producing 18 lumen / watt.
Watt for Surface area:
100Watt for 60cm x 60cm
250Watt for 92cm x 92cm
400Watt for 122cm x 122cm
600Watt for 183cm x 183cm
1000Watt for 244cm x 244cm
