I have a 5g fluval edge. It has 6lbs of aragonite sand and unkown pounds of LR. My stock list is 1 sexy shrimp, 1 emerald crab, 15 hermit crabs, 6 snails, 1 chocolate chip star, 1 horseshoe crab, 1 yellow watchman goby, 1 black urchin, 1 sand sifting star, and 1 scooter blenny. I know its a...