Nice, sorry about the old aquarium, ours sat empty for two years while we were in transition with my husbands work, I was very afraid it was going to be damaged, so I put it on a table in the basement and used sea salt to clean it and added water in 1/4 amounts leaving it for a couple of days each time and when I determined everything was still in tack we removed all the water and carried the tank upstairs on the table because I wanted to leave the gravel in.
Thanks for sharing we would like to upgrade once be buy our own home, I have been considering a pre-owned tank if I go this route I will definitely ask to fill the tank before taking it home.