Hi, I currently have a 29 G tank set up for SW and just added my first coral frag yesterday. Well, I have a 10 G just sitting empty, and I was wondering if I could do anything with it? Is it too small to set up as a SW, would I need a protein skimmer? I was thinking maybe just LR and inverts? Anyone have suggestions or ideas. It seems a pity to just have the tank sit empty.