The Planted Tank Forum - View Single Post - Metal halide or T5 H.O?
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Old 03-10-2012, 02:08 PM   #19
Kathyy
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The chart came from here.
http://apps1.eere.energy.gov/buildin...white_leds.pdf

Before I went with MH I had seen similar information but no idea where, it has been a decade.

There are a few smaller tanks journaled here with MH, very beautiful but operating on a razor's edge. Not something for a first timer to try. Go T5, your electric bill will be smaller and you can have the lights on for longer!
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