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Re: CO2 controller....

To: <aquatic-plants at actwin_com>
Subject: Re: CO2 controller....
From: "Stuart" <stuart at nbtx_com>
Date: Wed, 28 Mar 2001 08:50:31 -0600
Importance: Normal

Dave Gomberg Wrote:
>I really don't understand what all this is about.   There are huge pH
>swings in natural ponds, and yet the fish and plants do fine.   What is it
>we are trying to achieve here?


The idea is to adjust KH to about 4.5 - 5 and then use CO2 to lower the PH
to 7.0, attaining 15 mg/l of CO2.  I would use the PH controller to open and
close a solenoid valve for the CO2 to maintain this balance.?

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