I have recently listed a similar post but I am after some new information. I am buying a 168 gallon glass aquarium with the full setup. It has a wet/dry filter with two hang on the back overflows, A berlin protein skimmer, heaters, and a stand. I currently have a 45 gallon tank with two clowns and two gold headed sleeper gobies. I asked the local fish store ant they said that if I put the 45 gallons of water from my current tank into the new one with the 40 lbs of sand and 65 lbs of live rock, and the filter pads from my current setup I should be ok. Is this even remotely true? I am kinda in a jam because I don't have enough space to run both at the same time. Thanks.