i have a 16 gallon tall.
18 pounds of live rock
3 1/2 inch live sand bed
72 watts of PC (half 10,000k other atinic)
bak pak skimmer
so far i have bubble coral,ricodia mushroom,blue mushroom,red muchroom,xenia, croeca clam (doing great,bright blue), open brain, sun polyps, torch coral, feather...