Take a look at mine on the link below, there are also a few archived links at the bottom of the page from 2007 which show the sump set up etc.
My reef Aquarium
Under gravel filters have long been surpassed by skimmers and living rock and new probiotic/uln systems are now being tried out by reef keepers.
They are very high maintenance and cost a fair bit to set up and look after correctly. Fish only systems are the easiest but one you start on invertabrates you have to have an idea of water chemistry and animal husbandry. You need to be 100% committed to the care of all marine life and have lots of knowledge before jumping in at the deep end. The best I can suggest is to look on the forum links at the bottom of my page and ask questions, then ask some more, then read alot
Don't forget if you get things wrong at the start you are not just losing money you could be killing creatures that have been removed from their natural environment from the other side of the world and already are lucky to be alive.
Take a look on reefcove or ultimate reef forum and don't be afraid to ask any questions no matter how daft they seem, we all started somewhere
