Re: buffers, CO2, etc...

[David Sanchez <barbax2@yahoo.com>]

"I'm pretty sure DOC
> stands for dissolved organic
> compounds.  If true, then nitrates, sulfates, etc..
> aren't DOC's.  A
> compound MUST have a carbon atom to be organic"

Very correct and thanks for the correction. I kinda
lumped them all together for ease of use :) I guess.
However my premise is correct. The cynergy of DOC's
and other inorganic waste such as NO3 and phosphates
will raise you counductivity and thus deteriorate your
water quality. But thanks for the correction. And
don't worry I dont take it as ripping. I hope we are
all here to learn from each other. In keeping fish it
has taken me to learn about many things, chemistry,
photography etc. The imprtant thing is not to simply
know or memeorize the knowledge but rather apply it.
Too many people in my opinion just read books and just
take it as set in stone. Or they simply quote from
books. To me real understanding comes from application
 and being able to explain to others what you know and
how they can duplicate your results. This to me is
true understanding. As much as I talk about pH meters
and counductivty meters and so on. I am not at all a
"high tech" fishkeeper. I just like to understand why
the things I do work. In the search for this I use all
the tools I can. In truth I no longer need to use my
counductivity meter experince has showed me and the
the use of the tools in the past have confirmed what I
now know. I need to do a water change. My DOC's and
inorganic compounds have accumulated and there needs
to be a cleansing of this waste from my system. After
a while you can look at your system and see this. Talk
to a guy like Z-man and he doesnt use any fancy stuff
he knows from experience what to do. I have planted
tanks with no filtration, what I would call explosive
and lush plant growth and very very low DOC's and
inorganic copmpounds. The plkants are taking up
ammonuim so they are my filters and are scrubbing the
tank clean. In these tanks there is actually a
decrease in counductivty from the original source
water. So it could be said such a system is a natural
system and in many ways beter than any aquarium with a
power filter or othe typ filter. I would have to say
such systems have come as close to rplicating nature
as can be found. I do not siphon the detrus from the
bottom as I beleive many other natural bacteria
develop and break down and recycle waste products. The
CO2 level in my aquaruims is just fine without a CO2
injections system. Well long nite time for bed.


Dave Sanchez


--- Brian Ahmer <ahmer.1@osu.edu> wrote:
> on 1/28/02 3:55 PM, David Sanchez at
> barbax2@yahoo.com wrote:
> 
> > I think you just don??t understand the
> relationship
> > between pH and carbonic acid. There are many
> people
> > that do not pertain to your "high tech" method for
> > growing plants. There are many angles you can look
> at
> > this and as with most data we find that data that
> > supports our theories.
> 
> 
> 
> David, I'm glad you posted your explanation because
> it stimulated my brain
> to think about the stuff.  So keep posting and I'm
> by no means trying to rip
> on you here, but Erik Olson is actually correct. 
> You've got some ideas that
> work in a practical sense, but the technical
> explanation is actually flawed.
> I think we had this problem a few months ago with a
> discussion about
> buffers!
> 
> One other thing I noticed is that previously you
> referred to nitrates,
> sulfates, etc... as DOC's.  I'm pretty sure DOC
> stands for dissolved organic
> compounds.  If true, then nitrates, sulfates, etc..
> aren't DOC's.  A
> compound MUST have a carbon atom to be organic.
> 
> 
> 
> Brian Ahmer
> ahmer.1@osu.edu
> http://www.angelfire.com/or/biggestbri
> 
> 
>
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