yes live rock in the corners i will be gettin some more, as i said working on it, tank seems to be staying very stable went through a real brown stage but seems to settled great now clean up crew are good at there job........my hubby made the cabinet years ago ready for a nice tank... just got it....... we use to keep a fish only sea tank about 7 years ago but this time going for inverts, hope we get on as well with them they are so rewarding when you get it right.