What to add next?

quaos

Member
My tank:
15G Tall 20x10x18
14lbs of LR
10lbs of LS
4lb Texas Holey Rock
AquaClear HOB Filter 20 Size(Carbon and LR rubble)
AquaClear Powerhead Model 20 (the rotating head one, customer choice, on **************.com)
Coralife Aqualight, 4-Tube Linear Strip Compact Fluorescent Fixture, 1X96W, 20 inch, 50/50
1 Yellowtail Damsel
1 Nass. Snail
5 Zebra Hermits
What should I add to my tank? I am leaving for college in 2 years and I don't want to spend too much on livestock that I will have to get rid of when I go to college because I see no way of keeping it running while I'm in college. (That is a whole 'nother topic) What corals can I keep? What are the easiest/cheapest? I'm looking at adding an Ocellaris Clownfish at the LFS. What fish would you consider adding to my tank? I know this is opinion but I'm open to all options.
Thank you all for your input!
 
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