Thread: Nem Species Tank
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  #6  
Old 12/24/2007, 05:32 PM
garygb garygb is offline
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Join Date: Aug 2004
Location: los angeles
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Ditto, if they have a rock in the middle and don't touch the sides, they tend to be stationary. But, you need to provide random water flow as from some type of wave maker/pulse setup.