The Planted Tank Forum - View Single Post - Why not more metal halide?
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Old 10-13-2012, 01:38 PM   #5
DogFish
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For me it's the energy $$$, bulb replacement $$$ and the heat.

I'm able to get the growth I need with 2- 18w PAR38 LEDs at a lower cost with a 50,000 hr life expectancy.
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