[Cory, the whole concept of a health tank is that there is something that eats that stuff... I wouldn't worry about it... funny post though thanks for sharing!]
[The scientific term is coprophagic. I have witnessed my hippo tang do this. A lot of small mammals do this since all of the nutrients are not absorbed the first time and there is actually some nutritional value to their poop. I guess it is the same for fish.]