Re: [AGA Member] CO2 concentration in Hard water

[SimonInsley@comcast.net]

Amit,

Please don't stop asking questions.  There are probably lots of listeners on this list, just like me, who learn by watching the traffic.  I am learning lots from the responses you get.  

I have been toying with adding CO2 to my tank and have soft water because I want a SA Amazon biotope-like system.  All of the discussion makes my choice much more informed.  I know more about the gotchas.  I never thought about the affect of soft water on the plants other than, in my case using RO, it may lack trace nutrients.  This last question is a good question and most of your others are too.  

If others aren't interested, that is when they can use the delete key. 

Hope you are encouraged.
Simon
> Thanks Scott.
> Got it
> 
> Amit
> ----- Original Message ----- 
> From: "S. Hieber" <shieber@yahoo.com>
> To: <aga-member@thekrib.com>
> Sent: Monday, November 10, 2003 5:24 PM
> Subject: Re: [AGA Member] CO2 concentration in Hard water
> 
> 
> > I don't think Roger and I have any trouble. I'm trying to
> > hone in on something and Roger is being kind enough to help
> > me, which he graciously has done many times in the past.
> > 
> > My interpretation is that with higher KH it takes more CO2
> > to maintain the lower pH values. CO2 lowers pH and KH
> > raises it. That's the only relationship of note.
> > 
> > With high KH you can have a higher CO2 level and stay
> > within a given pH range because the higher KH keeps the CO2
> > form pushing the pH too low, it counteracts the effect on
> > pH, it buffers. So in that sense, a high KH allows more
> > CO2, but you have to put it in yourself, so to speak ;-)
> > 
> > Scott H.
> > --- Amit Brucker <amitb@gtek.co.il> wrote:
> > > Oh I didn't mean to cause any trouble.... Sorry if I
> > > did....
> > > Just wanted to know whether Red Sea info was correct.
> > > Never said that rising the KH will effect the CO2 levels
> > > just wanted to know
> > > whether higher KH levels can hold larger amount of CO2.
> > > As it was mentioned in the Red Sea manual.
> > > Sorry once more.
> > 
> > 
> > =====
> > See you in Dallas at the Aquatic Gardeners Associaton
> > 2003 Annual Convention
> > Nov 14-16
> > S. Hieber
> > 
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