Really thats very interesting. I think my tangs would starve without it. They absolutely love the stuff. I feed my clowns spectrum pellets and very recently has he been eating them. Do you frag and of your sps?
When the tank was in its prime, with large SPS colonies everywhere, yes, I did frag things often. After a while, the frag racks got to be really full and distracting from the display, so, I set up a 400 gallon trough in my garage to grow out frags. For a couple of years, it financed my hobby