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Originally Posted by Wolfgang
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Marc, How do you convert the wattage of led's to standard wattage?
For instance, my t5 light is about 450 watts over my 90 gallon reef.
If you have led's, you'd only be able to get maybe 150 watts out of two fixtures over my tank.
So what does that equal in "standard" wattage? Is there a formula, calculator, or does each particular light tell you "Our 75 watts is like 750 watts of t5 lighting", etc.
By the way, I just saw the new led's for the first time a couple days ago. I still haven't recovered from sticker shock. The ones you posted are a lot more reasonable, but that's without comparing them performance-wise.