I currently have my 2 evergrows hanging from the wall with brackets. I don't really care for the look, and I also can't adjust their position much. I was also thinking that I might want to add a 4 puck at some point. I have see light racks that sit on top of the tank, but I don't really want to put anything on top of my acrylic tank and the legs tend to get in the way when I am armpit deep cleaning the thing. So all those reasons resulted in me looking for a rail that attaches to the back of the stand and comes up from the back. I've seem people make them out of metal conduit, and that might be my backup option if I can't find someone that can make one out of square tubing.