Andrea, I am running some tanks under that very combination and corals thrive and grow. FWIW, I've done maintenance on tanks that ran 2 Power-Glos and two Marine-Glo T5 bulbs that thrived and looked amazing. I really believe that there is a broad spectrum of useable light for photosynthetic...
Hi everyone. My name is Chip and I own a LFS in North Carolina. I started my first marine aquarium in 1991. Three years ago, I quit my day job and started a store to justify my addiction! While I wouldn't recommend that in this economy, it has been a learning experience.