Tank - Full Summary

Firstly, Hi everyone at Reef Addicts I've recently fallen into the world of saltwater aquariums, after my mum purchased a tank for me for my 18th birthday. I'm now about 1 month and 300 dollars or so into it. I plan to update about once a week, just to keep a record of my tank's progress and to help collect my thoughts; perhaps maybe give you guys a bit of a good read?

Well, as my tank stands now:
30G Glass

Equipment:
Basic hang-on filter
Basic submersible ...