Top Ten Most Important Thing a Newbie needs to know: If You Are A beginner please read the following. 10. Determine Setup Type - (FO=Fish Only, FOWLR= Fish Only With Live Rock, REEF=Corals & Fish) 9. Tank Cycling (Nitrogen Cycle)- Find out what goes on under the surface of the water. 8. Water Quality (Water Testing)-Learn What RO/DI means and What Normal Tank Parameters are. Also Natural Sea Water Parameters too. 7. Live Rock, Deep Sand Beds, And Bare Bottom - The pros and cons. 6. Equipment (Research before you buy) - Find Out the Basics About Protein Skimmers, Calcium Reactors, Water Pumps And Power Heads, Sumps and refugiums. 5. Supplements& Additives - How To Use Additives. 4. Water Movement - Such as Powerheads, GPH, Bulkheads, Closed Loops, Wave makers. 3. Lighting ($$$) - The commonly used phrase, "watts per gallon". 2. Make This Fun - While taking it serious. Always be ready to learn something new ! 1. Be patient !! (research) - Nothing good happen fast in a saltwater tank. (old saying) Each one of these is a whole topic in itself !