Proteus' Shallow reef build

[thmh]

Originally Posted by kien

Not you too!!

Wow, bleaching at 35% ??? I keep hearing of people having to run their LEDs at 50% or lower. I understand why this may be necessary, but it still boggles my mind, especially after all the threads about, "is there enough light in LEDs ??" Clearly, even in the cheapest LEDs there must be enough light ? I guess I don't understand why LEDs are bleaching corals when halides crank out more wattage ? This may not be the best place to discuss that though. Maybe I'll ask it in the "is there enough light in LEDs" thread.

depending on what optics they use, LEDs can be a cannon !!