I was wondering if i should add more of a clean up crew. I currently have 20 blue leg hermits, 5 nassarius snails, 10 turbo/astrea, 1 cleaner shrimp, 1 feather duster, 1 emerald crab. Tanks is a 46 gallon with 70 lbs of rock, 50lbs of LS. The crew as only been in since Friday and they are doing...