I've never found that they needed drip acclimation. I have a pretty rigorous dipping process that involves 10 mins of Bayer, 1 hr of Interceptor, and 1 hr of a potassium dip (increasing potassium from 400 ppm to 1600 ppm with potassium chloride... Water softener pellets). While the coral goes from one treatment batch to the other, I'll slowly mix more of my DT water in each tray so by the final one, it is mostly just my DT water. I do two additional trays of just tank water as rinse stations to not bring any Bayer into the DT. I also cut off the giant mari plugs and put them on new, dried out mari plugs to avoid bringing anything in on the plugs. I also do a very careful examination of the coral flesh to look for bite marks or pests. I find having them directly under your lighting best to do this.
Lastly, I put them right into higher par lighting, 300-400 par, as I feel they lose less color this way. Only exception being I'm pretty sure I nuked a lower light mari this way once so tread lightly on this method.