[cplklegg]

IMHO cerith snails, nassarius snails, astrea snails, and mini turbo snails, maybe add a skunk cleaner shrimp and you are all set. For your 30, depending on how heavy you feed, I'd start with 6 ceriths, 12 nassarius, 6 astreas, and 2 turbos. Just my 2 cents. Good luck to ya.