Hi All, I am new to the forum but am getting tons of great info. We just set up a 20gal marine with cleaning crew and 1 clown. The crew is made up of, 1 cleaner shrimp, Sand sifting star, 2 hermits, and 5 snails. everything seems to going fine. We have a fuge set up with LR rubble, Magic mud, and mico algea seaweed. Have a great weekend.