Pet Forum / Aquaria / Marine Reef / February 2006

I've been starting to see little "pink colorations" underneath the sand
against the glass and little pink specks on the surface of the sandbed.
What is this? Good? Bad? Neutral?
It started to appear about the same time as I got an urchin. But I

I added a small Hawaiian yellow tang to my 60g reef tank last week and
he seems to be doing well (eats well, very active, etc). However, he
tends to run and hide deep in the rock crevices anytime someone walks by
 the tank - which, since it's in a highly trafficed area happens ...

Looking for info on setting up and maintaining a mini-reef.
I got tanks with nothin' in 'em.
Mark