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Re: Calculate CO2

Scott H wrote in response to my posting of a formula for calculating CO2:

>I believe Roger Miller has an alternative formula:
>    CO2 = 12.839 *KH * 10^(6.37-pH)
>The resulting values are nearly the same as the "3 * KH * 10^(7-pH).
>Roger, if you're listening, care to comment (or correct?)

Perhaps I can save Roger a few keystrokes, Scott. :)

The following URL leads to a post by George Booth which details the 
reasoning behind the equation he and Roger developed which Scott mentions 


This next URL jumps to a post in which Carlos Munoz shows the mathematical 
link between Roger and George's equation and the one I posted for Greger.


Chuck Huffine
Knoxville, Tennessee