xReefGx
03/15/2011, 11:46 PM
How many 3w LEDs equal a 400w mh and a 250w mh?
NatureNerd
03/16/2011, 12:00 AM
Sort of like asking how many garden hoses equal a fire hose. It depends on:
What you are trying to illuminate,
What optics or angle of spread,
How high off the water,
What wavelengths you are using,
How deep the target colony is,
and I am sure many more things.
I believe that the AI Sol, with 24 LED's driven at 2.4W each, seems, in most configurations, to be roughly as effective in providing useful light to corals as a 250W mh. I'm sure the experts will have a better opinion and maybe even some data.
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