upgrading tank question

[tomjof]

So right now I have a 46 gallon bow front tank with a 30 gallon refugium and a 15 gallon sump. I plan on upgrading within the next week to a 80 gallon deep blue tank and I wont be using the same sand in the 46 since it is crushed coral and i want sand. I have 60lbs of sand in the 30 gallon tank which I will still be using and I wont actually be disturbing in the move over. I will be using the same live rock which is about 90 lbs right now. But i was wondering for the main display tank, I plan on putting 80lbs of sand. Should I use live sand or no live sand. And/or is there another way you would do it. Thanks.

 

[ivandrago]

You should be fine by adding more sand just mic it in with the old one, and it will be just like doing a water change. Keep all the water from your old tank and transfer everything to your new tank and add freshly mixed salt water.