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Re: [APD] Carbon filtration, DOC & BGA
Dissolved Organ Carbon.
Protein, fat, that sort of things.
TickQuest Inc www.tickquest.com
----- Original Message -----
From: "David Terrell" <dave at terrellclan_com>
To: "aquatic plants digest" <aquatic-plants at actwin_com>
Sent: Wednesday, December 17, 2003 8:44 PM
Subject: Re: [APD] Carbon filtration, DOC & BGA
> What is DOC?
> ----- Original Message -----
> From: "S. Hieber" <shieber at yahoo_com>
> To: "aquatic plants digest" <aquatic-plants at actwin_com>
> Sent: Wednesday, December 17, 2003 8:15 PM
> Subject: Re: [APD] Carbon filtration, DOC & BGA
> > I haven't found DOC levels to be a cause of BGA -- jsut
> > imbalances of NO3 and PO4 -- which could be jsut what I
> > understand Tom to have said about nitrate levels and BGA.
> > But what you need to fix isn't the choice of media if your
> > DOC is too high. And adding carbon would be superfluous if
> > the water changes are being done. If large
> > waterchange/resets don't work, then there are probably a
> > host of problems or imbalances to address such as a filter
> > that's gone too long without cleaning, way too many fish,
> > something overloading your tank.
> > Scott H.
> > --- Steve Pushak <teban at powersonic_bc.ca> wrote:
> > > . . . high levels of DOC being a factor causing
> > > Cyanophyta
> > > (Cyanobacteria, blue-green algae) should we rethink
> > > conventional wisdom
> > > about the use of activated carbon filtration?
> > >
> > > Granted that regular water changes are important too.
> > >
> > =====
> > S. Hieber
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