2 weeks ago I took out all my rock and reaquascaped the tank. The rock was probably out of water for a day and a half. I also got rid of all the old sand and put new live sand in. To do this, I moved all my livestock to a separate tank where they've been for the past two weeks. I've been waiting for a cycle but have not seen one yet. The nitrates and ammonia have been and are reading 0. So, is two weeks enough time to wait for a cycle after this process and is it safe to move my livestock back into the display tank?