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Old 05-16-2002, 10:05 AM
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Join Date: Dec 2001
Location: Vancouver BC Canada: Amsterdam of North America
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The lumen output on all those lights is way too low.

Fluorescent lights do not save you money. Although they are cheaper to buy, they are much less efficient at converting electricity to light. The full amount that you spend on light is the total of the cost of the equipment plus the cost of power. On this basis, fluorescent lights are much more expensive than HPS or MH lamps.

Fluorescents can be used to grow a crop, but they don’t produce a good yield because the plants don’t receive intense light. Not only are fluorescents inefficient as compared with HPS lamps, but they are low wattage. Four 4 ft. fluorescents use a total of 160 watts. This is only 40% of the electricity of a 400 w. HPS.
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