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Re: [APD] GH vs. PPM



this is what i was saying about phosphates which are abuffer and will throw off readings and give you a flase ppm of co2
ian
-----Original Message-----
From: "S. Hieber" <shieber at yahoo_com>
Sent: Sep 27, 2005 1:18 PM
To: aquatic plants digest <aquatic-plants at actwin_com>
Subject: Re: [APD] GH vs. PPM



--- Tom Wood <tomwood2 at flash_net> wrote:

> RM: "I can't comment on your KH/pH problem because you
> didn't describe it."
> 
> Low KH and low pH indicating extremely high CO2. 

Carbonic is only one acid that might be present in an
aquarium. If the KH and pH is low , that doesn't
necessarily mean the CO2 is high.

sh
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