i keep tryin to keep sps, monti ,arco. things like that. but they keep on dieing? i do have alot of soft corals in the tank, so lfs told me to use chemi pure and that mite help with the (cemical) wars. i notice that they werent opening because the fish would swim next to them. is it possible that i the fish are killing them? my lights, water, and everything else is fine, 2x175w mh and 4x65 pc actinic. i do have alot of fish. thats the only thing i can think of? help sps guy