Quote:
Originally Posted by Skimmer King
I can't see how 160 w of LEDs are going to sustain SPS thats half if that over the tank 500 w over a 120 gal
so you are getting half of a 250 w bulbs spread over the 4x2x2 I cant see that being enough
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One thing to remember is that the LED is incredibly efficient. The MHs emit quite a bit of heat as well as light. With LEDs there is virtually no loss energy in heat therefore less wattage is required for similar light output.
I know my 160W LED blinds me when all bulbs on. It does rival a 250W easily. Hard to believe but once you see it in person you will become a believer.