I have a 6 year old 30 gallon tank.
1 Protein Skimmer
1 Fluval 205 (phos guard, Chemi Pure - connected to a bio wheel
1 Current Nova Extreme Pro Saltwater T-5 6 bulb
1 under power head with rotating flow outlet
1 Maroon Clown
1 Pin Cushion Urchin
1 Rainbow Lobster
5 soft corals
8 Snails
Hermit...