[Driftwood]

Article about vodka:
http://reefkeeping.com/issues/2004-1...ture/index.php

Coil denitrator:
http://www.aquariaforums.com/entry_c...y.asp?CatID=13
http://www.thekrib.com/Filters/denitrator.html
http://saltaquarium.about.com/cs/nit...a/aa092702.htm

Good luck!