so i have an empty 20L i have a bunch of liquid calcium, iodine, tech M, 5gallon bucket of salt mix etc.. i have a current pc light with 2 64watt one antic and other normal. i have everything minus live sand and live rock. what kind of set up could i have fish wise and coral? i have some experience with salt waty had a 6gal nano cube with some live sand and live rock with a damsel set up for a year. if i get a watchman goby what kind of other fish can i keep with it? also what type of shrimp are good with to have with watchman gobys?

