I would think your lighting is sufficient, given that your tank is only 21" deep. I would invest in a skimmer, though. Everyone seems to dislike the Coralife Super Skimmer, but I have one and it's done a great job (with a little tweaking!) and you won't spend a fortune either.
__________________
~Drew
10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W
Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz
|