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Grow lights, difference between Halogen and Metal Halide?


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Old 01-26-2009, 12:33 PM
Suzy Suzy is offline
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Default Grow lights, difference between Halogen and Metal Halide?

1. What is the difference between Halogen and metal halide lights?
2. For a six plant garden, wouldn't 1000 watts be excessive?

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Old 01-26-2009, 12:33 PM
Rob Rob is offline
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1. Tungsten Halogen lamps are as inefficient to operate as incandescence and are very expensive to operate. Their
lumen-per-watt output is very low.
2. 400 watt metal halide or high pressure sodium is good for 2 to 6 ft. square area and they last longer too.

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