I was in a LFS today and saw the Clout product. On the back of the box it says not to use the product with live rock, invertebrates, etc. Definitely not reef safe.
I would definitely recommend removing the fish to a QT tank for hyposalinity treatment. Keep the carbon running. I'm not convinced that 1 day of running carbon will remove all of the medication. I would also recommend regular water changes. Live rock is like a sponge. That medication can get in all its pores and it takes time to get out.