As most of you know I'm getting the 55 gal set up I gave away a year ago back. And planning to upgrade it to a 75. Step 1, Research I've just finished rereading parts of "Aquarium Corals" by Eric H. Borneman, which prompted me to get a copy of "Natural Reef Aquariums" by John H. Tullock. I really like Tullocks ideas for a biotype aquarium that replicates one reef zone, from one part of the world. Currently I only have 2 species of fish. 1 false ...