When I built the fishroom back in early 2011, I set up my lightrack to move it out of the way when needed. This isn't often because I use Lumenbright pendants which are way up off the water, but when I need to take them down for cleaning, this is when it's worth the installation back then. In the picture above, it is pushed all the way back by via rollers riding the track hangers affixed to the ceiling. ...