Here is a little more information on the tank...
The equipment that I have on it is:
Emperor 400 Filter with live rock fragments as the media (no foam or carbon at all)
Powerhead 201
150watt Heater
Use to have:
3x UV Sterolizer w/201 Powerhead
802 Powerheads
Seaclone 100 Protein Skimmer
That is all I have right now and if the tank runs well like this I will be getting bigger powerheads again and do without the filter and add more live rock. (I have currently 75lbs. of live rock and 50lbs. of crushed coral, and the tank is great.)
Philip