Might want to double check on that. Those are Cree Royal Blue LEDs and are 450 nm which from my understanding is in the PAR Range, and the white LEDs are usually just used to balance out the colors and make the tank look better while the blue LEDs are what actually provide the majority of light for photosynthesis. I could be wrong, but that's been my understanding since I started reefing and I've read and been told this many times..