Re: [APD] Excel = Barley/maple extract?

["S. Hieber" <shieber at yahoo_com>]

There's some past history/discussion in the archives of
straw, peroxide, and algae. It's a recurring topic that
comes in waves -- waves that apparently begin in pond
waters ;-)


sh
--- Liz Wilhite <satirica at gmail_com> wrote:
> 
> Barley propaganda:
> > http://www.barleyworld.org/barleystraw/straw.pdf
> 
>  That one is interesting. It says that DOC produced by
> the decomposition of 
> barley in the presence of both oxygen and light causes
> the formation of 
> oxygen atoms that then form hydrogen peroxide in the
> water. The authors 
> postulate that the peroxide kills algae, based on studies
> of peroxide and 
> algae. They also indicate that when algae is suppressed
> then plant growth is 
> enhanced, *not* that when plant growth is enhanced then
> algae is suppressed.
> 
> Anyone tried barley extract in a non-CO2 tank? 
>  Liz
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