What size sand / gravel? Plenum or no?

Discussion in 'Sand' started by ToboAqua, Mar 30, 2008.

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  1. defender58

    defender58 Plankton

    Joined:
    Jun 10, 2008
    Messages:
    9
    anyone running a plenum filter?
    does the substrate really need to be 6" to get the full affect?
     
    defender58, Jun 10, 2008
    defender58, Jun 10, 2008
    #21

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  2. defender58

    defender58 Plankton

    Joined:
    Jun 10, 2008
    Messages:
    9
    Plenum Filter

    anyone running a plenum filter?
    does the substrate really need to be 6" to get the full affect?
     
    defender58, Jun 10, 2008
    defender58, Jun 10, 2008
    #22
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