Increase flow. A lot of folks like air pumps - I really like extra flow for fish in duress, possibly in its own tank or bucket if you have lps that can’t handle it. Elliott from marine collectors was on brstv talking QT a few years ago and was talking about how the fish need good flow in during stress, and he thinks the fighting to stay upright in it keeps them alive.
Our freshwater tank with a beautiful, massive parrot cichlid I’ve had for ten years leaked, and there wasn’t enough water left for me to acclimate him to new tank when I discovered it. Went belly up a minute later and laid over gasping for 10 min, thought he was a goner. Remembered I had an old mag7 somewhere, put that directly in the tank, got blown around a few min then started kicking and gradually back to 100% within an hour.