Don't tell that to my tank that's been getting only vodka for 5 years
OP, vodka works great, so does vinegar but watch your pH once your dosage gets higher. You don't need to dose bacteria or anything else, but start off slow to avoid bacteria blooms. Some people get cyano due to the vodka making bacteria pull a lot of gunk out of the sandbed, it's pretty temporary and a sign that things are working, just an annoying hurdle you have to clear with carbon dosing on tanks that eventually goes away on its own. Here's the directions
http://reefkeeping.com/issues/2008-08/nftt/