Originally Posted by
erikc
Okay here's what I would do :
1) For the UV, it should be placed after the sump, basically the water is clean and particule free which will make the UV increasese the effectivness of your UV. Howvevr you must pay particular attention to water flow and watttage of your UV. If the flow is to fast it will not be effective and if the UV is not powerfull enough it will not be effective.
2)Tunze have overflow systems that you hang on to the side of your tank. I've used them in the past, they are expensive but well worth it.
Hope this helped.