the first thing you should is read there are plenty of books you can also search through this site there is a lot of good info. do a search on cycling.
Do a search in the key word type in 101 the user name is 007, there is a lot of good information there. the tread is closed or I would bump it for you and i don't know how to attach it to this post.
You need more lr about a pound to a pound and a half per gallon, you do need a skimmer, and did you a water change at the end of your cycle? you should change 10 to 20 % of your water every 2 weeks.