Look at these pics and enjoy, he uses vodka for nitrate removal
Corals from his tank just passed the 1 year mark
Enjoy
Erik
http://www.twilightreef.com/dendrotank.htm
And on nitrates in a smaller tank, its easier to handle IMO with a 50% water change, on a 400 gal system, I'd get my butt kicked doing a 50% water change. small tank no prob
Lets keep the information flowing !!!