I have crushed coral subsrate,live rock, 2 brain corals,1 green torch,1 green lobo,1 organ pipe, 1 candycane, 1 toadstool and 1 clown,1 lawnmower blene, 1 bicolour angle, 1 bicolour blene, 1 yellowtail damsile and 2 pajarma cardenals. hopeing lfs has been right sofar.