Most aquariums will be able to be moved with some water in them, i have done this with a 29 gallon tank without any kind of board under it. I drained the tank till i could lift it (there was about 5 inches or a bit less water left in it) carried it out to my car and drove it to it's new home (about 20 minutes away) fish were still in the tank. Set it back up on the stand and it has been running ever since, no leaks or anything. Btw that was in 2005. Not sure how big your tank is as this becomes much more difficult as the tank goes up in size. Ymmv.
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