Its worth it. I purchased the Remora without the skimmer box, but had problems with all the microbubbles it puts back into the tank. The skimmer box is dark black and almost un-noticable (is that a word?
![Big Grin :D :D](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
). I actually had mine in the tank for almost a week before my wife even saw it and asked what it is.
I circled mine in yellow . . . you don't really even see it back there: