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  1. ...saltwater tank with it's natural filtration (microorganisms in the sand) takes about a year to establish. Tell your brother... is more on the nitrogen cycle: http://www.youtube.com/watch?v=gOnDyDPDhy0

    4 Answers · Pets · 14/10/2013

  2. ... just use freshwater sand (the finer the better) :) . Sand also has teh advantage of being cleaner as it doesn't trap lots of waste like loose gravel does ^_^v .

    2 Answers · Pets · 02/01/2012

  3. ...www.whatdocrabseat.info/ If he is "small and brown" you may have a Spider Crab. Here... look like... http://www.youtube.com/watch?feature=endscreen&v=evd6NTD1wf4&NR=1 I'm not sure...

    4 Answers · Pets · 18/09/2012

  4. ... information: Here is my aquarium: http://www.youtube.com/watch?v=6Ool0nUvCm8

    4 Answers · Pets · 23/06/2008

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