I have a 12 gallon nano with 10lbs live rock, 15lbs live sand, 1 Long Tentacle Anemone with 1 Clarkii Clownfish, 2 Cleaner Shrimp , several snails and crabs, 1 Flower Anemone, 1 Engineer Goby, 2 Mushroom Polyp -Green Ricordea, 1 Mushroom Polyp -Umbrella, 5 bunches of Xenia Colonys, 1 Deep Sea...