I have a coralife 29 gallon biocube. Coralife protein skimmer, heater, 20lbs base rock, 10lbs live rock, 2" live sb, intank media basket with filter floss, purigen, chemi pure elite. Right now I have 5 astrea snails, 5 dwarf ceriths, 5 dwarf blue legged crabs, and a porcelain crab. As for fish I...