gorgonian problem

[ynnhoj86]

how come my gorgonias' are deteriorating-the flesh is keeps falling off, the other one is fine and so are the others in my other tank, except this one and another small in my roommates nano?

http://img86.imageshack.us/my.php?image=a1yw1.jpg
http://img86.imageshack.us/my.php?image=47731463sa8.jpg
http://img86.imageshack.us/my.php?image=aaqo3.jpg

 

[SWSaltwater]

gorgonians need a lot of flow and a lot of food.