My display tank is 90 gallons. It has a 60 gallon refugium and 30 gallon sump. The protein skimmer is the Hydor Performer 2000. The lighting for the main tank is 2x250 10kK Metal Halides and 2x96W CF actinic blues(460nm and 420nm) along with a 90W LED module from Aqua-illumination to bing the light on and of and to follow the moon. There is a Rio Polario 15mm Pump and a SCWD for current and wave motion. There are soft and hard corals, fish and shrimp. Perhaps too many fish? The tank is 12-13 years old and houses a yellow tang,golden eyed tang and sail-fin tang as well as 1 flame angel, 1 target mandarin, 1 scooter blenny, 1 6-line wrasse, 2 fire shrimp, 1 coral banded shrimp and a cleaner shrimp and other various inverts, clams and coral.
The refugium is 4 feet long, so I have a 6 bulb T5 setup over it (whites and blues). In the refugium there is 1 very large serpent star, an African blue striped pipe-fish, 1 Royal Grahma and the everlasting "sacrificial" blue damsel. The sump has no lighting, just the skimmer and the inlet holes with filter socks for the Tank and Refugium overflows. The sump only returns water to the main tank