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Re: CO2 and O2

> From: "Jim Burrows" <jburrows at ix_netcom.com>
> Subject: RE: CO2 and O2 
> > 
> > 2) In nature CO2 does not follow Henry's Law because of the way it
> > combines with any cations in natural waters.  This means that CO2 is
> > dissolved more like a salt then a gas in our tanks.  The dissolution and
> > removal of CO2 from water is involved in those pH swings people like to
> > ask about.  
> > 
> This would explain why my O2 went up when I started adding CO2. I just
> figured my tests were out-of-wack. It also explains why my fish show no
> signs of stress with what the test kits state are dangerous levels of CO2.
> Takes a lot of CO2 to get my PH from 8 to 6.8. :)

	I think that the O2 went up because the plants started producing
more of it.  

Paul Sears        Ottawa, Canada

Finger ap626 at freenet_carleton.ca for PGP public key.