how much light do you keep yours under to get the nice yellow splotches around the center. i have mine in the frag tank under 8 t5s and they have splotches, but they are kinda pale. here is a pic. the bottom of the frag tank gets around 400-450 PAR. frag rack is around 500-550
![043.jpg](/proxy.php?image=http%3A%2F%2Fi134.photobucket.com%2Falbums%2Fq81%2Fshaggy420_photos%2Fzoa%2520and%2520acan%2520frags%2F043.jpg&hash=df43a7cddf5ec98d0733f9fa689c4fdc)