A friend of mine has a 30g BB reef tank that has been setup for 2yrs. He's moving and cant take it with him. So he said i could have everything in it ( rock,fish,corals) the sump but he wants to keep the tank and stand. I have an empty 55g laying around and would like to use that. He is leaving in a week so I dont have time to cycle the 55g. Is it possible to transfer the 30g of water and all livestock into the 55g and add new water to make up for the rest? That would be approximately 25g of new saltwater. Any suggestions?