Re: Diy above tank cannister trickle filter.

[Keith Brummett <brummett at ds_net>]

    Damian Barton wrote:
    >
    > I just wanted to let you know about my 'new' filtration
    > setup that replaced my conventional diy trickle filter
    > - -overflow, bio-tower and sump- setup.
    > ...
    > The barrel is completely airtight so there is
    > no Co2 loss or water evaporation ...

    Damian,

    If the system is air-tight prior to the output, then where will
    your bacteria get the oxygen necessary for nitrification?  I
    have a large air pump injecting air into my media tower.  Just
    wondering if I missed something, here ...

    -- Keith

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