You will lower the waste numbers with very little work, this will make some of the hard to grow corals easier to keep. Sand beds will stay unclogged if done right for very long time. Better coral color from corals that eat bacteria. Coral mag will be putting out some articles on this subject so look for it. Do I do it no but any one dosing vodka is doing it in some form and it has not come full circle as of yet. But when it does it will be like going from a under gravel filter to live rock and sand.