[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: more on ph-kh-co2

To: Aquatic-Plants at actwin_com
Subject: Re: more on ph-kh-co2
From: "Roger S. Miller" <rgrmill at rt66_com>
Date: Thu, 17 Jul 1997 20:47:18 +0000 ( )
In-Reply-To: <199707171948.PAA09704 at acme_actwin.com>

> 
> Date: Thu, 17 Jul 1997 11:59:00 -0500
> From: cmunoz at crystal_cirrus.com (Carlos Munoz)
> Subject: Re: ph-kh-co2
> 
> Roger, 
> 
> The formula you and George settled into:
> 
> 	CO2(ppm or mg/l) = 12.839 * KH (dH) * 10^(6.37-pH)
> 
> Sounds just like the previous "rule of thumb" formula:
> 
> 	CO2(ppm or mg/l) = 3.0 * KH (dH) * 10^(7.0-pH)
> 

This looks fine with me, but see my earlier note about the conversion 
factors.  

Roger Miller

Prev by Date: Re: Aquatic Plants Digest V2 #839
Next by Date: Re: Aquatic Plants Digest V2 #838
Prev by thread: Re: Aquatic Plants Digest V2 #839
Next by thread: Re: Aquatic Plants Digest V2 #838
Index(es):
- Date
- Thread