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Hmmm... I'll have to check on that with a buddy who's got the books (I
did the carbon study, BTW) ... It was just a quickie thing I threw
together out of curiosity, but the interest it garnered will produce a
much more in-depth paper when I've got the time....personally, I don't
run GAC in any of my tanks, and I rarely have any problems that a water
change won't cure ... I'm going to expand the study to cover different
brands of carbon, as well as studying removal of chelated vs. unchelated
metal salts by GAC and their utility as fertilizers....The more I think
about the subject, the more I'm convinced that GAC may actually prove to
be useful in fertilizing our tanks ... more on this after I've played in
the lab awhile :> .....

...as far as Amano knowing what he's doing, I WISH I could get my tanks
to look like those! 

Shawn Keslar, Sr. Chemist
WVU NRCCE Analytical Lab
skeslar at wvu_edu 

Date: Tue, 3 Nov 1998 14:14:27 -0600 
From: "Beard, Kelly" <KBeard at comdata_com>
Subject: Takashi Amano and activiated carbon

One the Krib there is a report (by someone on the list if I'm correct)
the effects of activated carbon and trace elements (iron, etc.).  The
plainly shows a reduction of these nutrients by carbon over a short
of time.

I bought a copy of Tropical Fish Hobbyist and Amano has an article (with
accompanying adverts) about ferns.  In the data on the tank he notes
activated carbon is used, for water clarity I imagine.

So, does he know something we don't, or does he not know what we know,
are his tanks not meant for long term use and are only constructed to
take a
pretty picture and then be torn down?  BTW, I ordered Nature Aquarium
1 & 3 from my LFS for a steal.

He needs to get on this list.  Obviously he doesn't know what he's