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PH meter buffering solution


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#21 Bonenose

Bonenose

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Posted 22 April 2017 - 04:59 PM

Mine has the option to use one of, or both 4 and 7. Using both is to be more precise but often I just use the 4.


Be careful of single point cals with a pH meter pH 7 is your zero point and every cal should have a range ie a zero and a relevant second point.