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Re: [APD] Newbie Question

The non-amateur CO2 test kits realy just give a reading based on pH and KH.
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----- Original Message ----
From: Vaughn Hopkins <hoppycalif at yahoo_com>
To: aquatic plants digest <aquatic-plants at actwin_com>
Sent: Friday, July 14, 2006 3:21:21 PM
Subject: Re: [APD] Newbie Question

The only test kits I know of for CO2 are the pH and KH tests.   
Aquarium Pharmaceuticals has a pretty good KH test kit, but I don't  
know of a good pH test kit.  However, there really isn't any amateur  
test that accurately measures the amount of CO2 in water, for the  
real world tap water, modified with fertilizers, etc. that we use.   
At best we can get a rough estimate of how much CO2 we have in the  
water.  From there we can adjust the amount of CO2 we inject until  
the plants, algae and fish all tell us we have the right amount.
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