Im wondering what kind of changes to expect and if there is anything that I should know before I add a skimmer to my existing setup. I have a 75gallon reef with a home made ecosystem style sump that I built out of a 29 gallon tank. The tank has been setup since christmas and everything is doing fine so far. I just aquired a seaclone vortex skimmer and was going to hang it on the side of the 29 gallon sump. Is there any kind of problem with doing this? Opinions?? Thanks in advance for sharing your knowledge and for your comments.