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green sponge blob

  1. Pests, Hitchhikers, and Diseases
    I have a new tank with just live rock, live sand and a couple of feather dusters in it. It has been "cycling" for about 4 weeks now. Several hitchhikers (small emerald crab, tiny brittlestars, a few small crabs that have not been identified yet, a couple of hermit crabs). Parameters are all...