I introduced a mini max yesterday. It has not wanted to attach so it has been floating around. I found it this AM in a rock crevice but with a it mouth facing the rockwork
How is it today? Can you get a picture with less blue? If it looks more brown in color then most likely it's expelling some zooxanthellae, it's pretty common when introduced to new lighting. Also most nems will take a little bit to attach to the rockwork, just turn off powerheads and keep an eye on them for a couple hours.