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Do It Yourself DIY Moving Bed Internal Filter with Sponge

Discussion in 'Aquarium Equipment & Decor' started by MOD_Dawn, Mar 30, 2011.

  1. MOD_Dawn

    MOD_Dawn Thread Starter Active Member

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    this one shows how to make a more advanced sponge filter..prettty cool actually.
     
    MOD_Dawn, Mar 30, 2011
    #1