Re: [APD] Adding Carbonates

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

Eventually, all of it except for the small amount that the
plants convert to tissue, which is why you have to keep
adding CO2 to maintain levels above just a few ppm.
Consider, if you measure your plants after drying them out
they weight won't be anywhere near the 5 or 10 pounds of
CO2 that you've put into the water over some given period,
not even if you kept all the pruning and trimmings.

In a way, it's a very ineefeicient system, but CO2 is so
cheap, and we're taling about relatively small quanities of
it, compared to other uses, it matters litle.

Scott H.


--- Philippe Lemaire <ph_lemaire at CompaqNet.be> wrote:

> Thanks again !
> 
> I read it...
> 
> Still unsure of how much CO2 goes to the atmosphere
> for I cannot master Henserson-Hasselbach :-(
> 
> Philippe
> 
> 
> ----- Original Message ----- 
> From: "S. Hieber" <shieber at yahoo_com>
> To: "aquatic plants digest" <aquatic-plants at actwin_com>
> Sent: Friday, November 19, 2004 8:36 PM
> Subject: Re: [APD] Adding Carbonates
> 
> 
> [snip]
> 
> Adding more on one does not make more of the other but
> > reacts with the other.
> > 
> > Try digesting this post from way back in 1995:
> > 
> >
>
http://fins.actwin.com/aquatic-plants/month.9505/msg00218.html
> > 
> > If you put some baking soda in water, it will push up
> the
> > pH, If you add some vinegar (acid), the pH will be
> driven
> > back in the other direction, but you won't produce
> baking
> > soda.
> > 
> > Scott H.
> > 
> > --- Philippe Lemaire <ph_lemaire at compaqnet.be> wrote:
> > 
> 
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