Becareful, with how long they sat without water as things dry out then could potenally fail later in time. If its a cheap then you might get lucky, but then again it might cost you more in the long run dealing with all the BS. Get one that has water if possible. Also, if you going to grow corals, you never know what the tank inhabitents before were treated with (copper) or what was used to clean the tank, it can contiue to leach into your system over time. If its a FOWLR then not that big of a deal. BE CAREFUL and take your time and there are deals to be had.