I was wondering if anyone has made their own modular filter system, similiar to the lifegard filter system. I want to get all of my equipment off the back of my tank, but I don't have a lot of room for a sump. I was thinking building a couple modules, a mechanical filter, thermometer, and a skimmer. I drew up a rough sketch and it doesn't seem all that difficult. Although I already have a idea of what to do, I would like to compare with someone that has already done it and maybe can offer some advice.