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  1. G

    Silly noob question

    Is 'nori' the same thing as marine algae?
  2. G

    Crackling sound

    Everyone once in a while (several times a day actually), I hear a loud "crack" sound from within the aquarium that is accompanied by a succession of less audible "cracking" sounds. It sort of sounds like something is striking against the acrylic walls of my tank. Anyone have an idea what it...
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