We have set up a new 75 gal DT in it's new local, added 80 Lbs of "live" sand. (came in a couple 40 lb bags, damp but not wet).
Ran the water for 48 hrs, checked temp. SG, and PH.
We ran two PH pumps and a filter to clear up the water then added about half of the live rock from the old tank...