"A self-contained, low maintenance REEF that will light up any desk with brightly colored coral." So goes the blurb on PJ Reefs' desktop-sized saltwater aquarium. I have to say, mine eyes are digging the brightly colored coral, all lit up like a Christmas tree or Cornelius' pant leg when he falls asleep and I tie a firecracker to his ankle to wake him up. And those words "self-contained" and "low maintenance" are pretty alluring. But...I don't exactly have the best track record with keeping…