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[mojoreef]

Wpg is pretty much as useless as the saying its all about the intencity. In order to judge lighting you have to look at the whole picture. A bulb can be the ultimate in intencity but have no effect on a coral. Same could be said for a bulb that had all the perfect range of temp but didnt have the intencity to drive the light to the corals. Vho's and PC' have good color temp but lack the intencity to drive the light very deep. Will they grow coral??..yep for sure. Will they color up coral? to a point for sure.
Now in saying that IMHO most all MH's sold in this hobby will grow and color coral up to a point, so it is kind of mute unless someone want to take it a little deeper and talk about how the coral uses light, what the coral needs for temp and what makes what colors come out.

John when we were talking in the other thread I was kind of talking about the above, how they use it and what makes different colors come out. I should have pmed ya.

MIke