Re: CO2 test vs. table

• To: Aquatic-Plants at actwin_com
• Subject: Re: CO2 test vs. table
• From: krandall at world_std.com (Karen A Randall)
• Date: Tue, 12 Sep 1995 14:05:09 -0400

Subject: CO2 test kit recommendations

Roger,
 
> George makes a good argument for the limited accuracy of estimat
> CO2 concentrations by interpolating from KH/pH tables.  So I sup
> will have to invest in *another* test kit.

George gave a very good explanantion of why Ammano's CO2 readings 
might vary with his KH/pH/CO2 table readings.  But he did not say 
that you _need_ to be that accurate.<g>

IMO, it is important to use _good_ KH and pH test kits.  Then use 
a table that has good definition.  While this may not give you 
pinpoint accuracy, that is not terribly important.  If all three 
parameters are within reasonable limits, you're all set.

Karen

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