I use 5050 SMD LED strips from Ebay, item # 291295623501. You can see them
HERE. I cut them to length. The chaeto reactor is fed by a Sicce Syncra 1.
This works excellent, and yes it is still up. Once the initial hit of removing the buildup of excess nutrients was removed, now it grows slowly. My ATS still has to be cleaned biweekly. Between these two, and my skimmer, I honestly feel it is all you need for filtration.