OK, I decided that a freshwater desktop tank was much easier to maintain than a saltwater one at the office.
SPECS:
5.5G Perfecto Tank
Up-Aqua 27W PC Light Fixture (8000K)
Elite Hush 5 power filter
Red Sea Flora Base
12 plant species (Crypto Wendtii, Red Lotus, Red Cabomba, Green Cabomba, Asian Ambulia, Java Moss, Rotala Ramosior, Rotala Indica, Alternanthera Reineckii, Bacopa Caroliniana)
5 cardinal tetras
4 red leopard blue guppies
cherry shrimps
crystal red shrimps