Rs models are in sump internal models. RC models stand for recirculating and are external skimmers. Honestly, I have never had a better skimmer than my external H&S skimmer. If I were you, I would go for an RC80 for your 54 gallon. Good luck in your purchase.
__________________
-Chris and Jaime
90g SPS Reef
our myReef is currently offline
Sign up for Macna 2008! See you there!
|