Mainly the normal stuff IME. Recommendation would be to quarantine them for a month to be safe. When I QT'd my last pair of Pearlies, I did so with sand, some 2" PVC fixtures and some small pieces of rock (less than 0.5" wide to an inch long max). They did well (responded well to Cupramine) and have been healthy in my 225G SPS for about a year now.
