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Bicarbonate and CO2 uptake



 
 
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  #1  
Old April 11th 07, 11:43 PM posted to rec.aquaria.freshwater.plants
[email protected]
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Posts: 65
Default Bicarbonate and CO2 uptake

http://www.publish.csiro.au/paper/PP9790499.htm

Regards,
Tom Barr

  #2  
Old April 12th 07, 05:10 AM posted to rec.aquaria.freshwater.plants
Richard Sexton
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Posts: 135
Default Bicarbonate and CO2 uptake

In article om,
wrote:
http://www.publish.csiro.au/paper/PP9790499.htm



You're suggesting bicarb can be used instead of co2?

But Tom - everyone nows bicarb is good for gas.



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  #3  
Old April 12th 07, 06:09 AM posted to rec.aquaria.freshwater.plants
Altum[_2_]
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Default Bicarbonate and CO2 uptake

wrote:
http://www.publish.csiro.au/paper/PP9790499.htm

Regards,
Tom Barr


Ugh. I'm a scientist and I can't even read that abstract. English, please?

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  #4  
Old April 12th 07, 08:08 AM posted to rec.aquaria.freshwater.plants
Marco Schwarz
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Default Bicarbonate and CO2 uptake

Hi..

http://www.publish.csiro.au/paper/PP9790499.htm


Hmm.., so bicarbonate might locally be willing to allow the
plants a CO2 credit they would have to repay in CO2
(later)..? ;-)

--
cu
Marco
  #5  
Old April 12th 07, 08:49 PM posted to rec.aquaria.freshwater.plants
Richard Sexton
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Posts: 135
Default Bicarbonate and CO2 uptake

In article ,
Altum wrote:
wrote:
http://www.publish.csiro.au/paper/PP9790499.htm

Regards,
Tom Barr


Ugh. I'm a scientist and I can't even read that abstract. English, please?


I took it to mean "plants will take carbon out of carbonate" which anybody whose
read the 30 year old Dupla book knows. They just quantified it.

--
Need Mercedes parts? http://parts.mbz.org
Richard Sexton | Mercedes stuff: http://mbz.org
1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net
633CSi 250SE/C 300SD | http://aquaria.net http://killi.net
  #6  
Old April 12th 07, 09:25 PM posted to rec.aquaria.freshwater.plants
Marco Schwarz
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Posts: 89
Default Bicarbonate and CO2 uptake

Hi..

I took it to mean "plants will take carbon out of
carbonate" which anybody whose read the 30 year old Dupla
book knows.


Hmm.., is "your" carbon == the element carbon

or

is it == CO2..?

--
cu
Marco
  #7  
Old April 13th 07, 08:56 PM posted to rec.aquaria.freshwater.plants
Richard Sexton
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Posts: 135
Default Bicarbonate and CO2 uptake

In article ,
Marco Schwarz wrote:
Hi..

I took it to mean "plants will take carbon out of
carbonate" which anybody whose read the 30 year old Dupla
book knows.


Hmm.., is "your" carbon == the element carbon

or

is it == CO2..?


Same thing. Plants use carbon they get from anywhere - c02, bacarbonate, Flourish Excel...
--
Need Mercedes parts? http://parts.mbz.org
Richard Sexton | Mercedes stuff: http://mbz.org
1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net
633CSi 250SE/C 300SD | http://aquaria.net http://killi.net
  #8  
Old April 14th 07, 07:18 AM posted to rec.aquaria.freshwater.plants
Altum[_2_]
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Default Bicarbonate and CO2 uptake

Richard Sexton wrote:
In article ,
Altum wrote:
wrote:
http://www.publish.csiro.au/paper/PP9790499.htm

Regards,
Tom Barr

Ugh. I'm a scientist and I can't even read that abstract. English, please?


I took it to mean "plants will take carbon out of carbonate" which anybody whose
read the 30 year old Dupla book knows. They just quantified it.


I got that far, and like you, I've known about biogenic decalcificaton
for a long time. pH crashed quite a few tanks with it. LOL! That's
what got me to try CO2 the first time. I got tired of spiking the
planted tanks with baking soda to put the carbonates and buffering back.

What I couldn't figure out was whether the plant prefers carbonate to
CO2. I wasn't sure how to interpret "The total resistance to bicarbonate
uptake appears to be 8-12 times that for CO2 uptake presumably due to
the processes of active uptake, transport and/or conversion to CO2
involved in bicarbonate but not CO2 assimilation"

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  #9  
Old April 14th 07, 10:20 AM posted to rec.aquaria.freshwater.plants
Richard Sexton
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Posts: 135
Default Bicarbonate and CO2 uptake


In article ,
Altum wrote:
I wasn't sure how to interpret "The total resistance to bicarbonate
uptake appears to be 8-12 times that for CO2 uptake presumably due to
the processes of active uptake, transport and/or conversion to CO2
involved in bicarbonate but not CO2 assimilation"


Well, let's dissect it. Nurse, scalpal...

The total resistance to bicarbonate
uptake appears to be 8-12 times that for CO2 uptake presumably due to


Ok who cares about presumably or why they think it acxts like it
does, how does it act:

The total resistance to bicarbonate
uptake appears to be 8-12 times that for CO2


I take this to mean plants can uptake CO2 8-12 times more easily than
bicarb.

But who cares, bicarb works? Cool, one more thing to play with.

~

--
Need Mercedes parts? http://parts.mbz.org
Richard Sexton | Mercedes stuff: http://mbz.org
1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net
633CSi 250SE/C 300SD | http://aquaria.net http://killi.net
 




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