So we got our rock today. It was pretty warm in the box. There were two big clams that had died on the way here, and they STUNK!! Removed the clams and most of the sponges, there is a nice red one i hope makes it, it was in good shape. Got the rocks in a bucket with some fresh salt water flowing through them completely submerged. Did a water change after about two hours. And will check on them in the morning and do another water change. There was some good stuff on them. Hoping some of it live through the transition.