You just need to get a pH buffer sol'n. They make them in a variety of
pH, but the 7 is best for your meter. When I got my Hannah pH meter, I
got a bottle of pH 7 buffer, and its worked reliably everytime.
cheers
adam.
On Mar 3, 2004, at 6:13 PM, Sandy King wrote:
> There was some discussion on the list a while back re: the reliability
> of pH meters.
>
>
> Is there a common household substance that can be used to verify the
> accuracy of readings of these meters, and/or calibrate them?
>
> Sandy King
>
>
Received on Wed Mar 3 18:00:44 2004
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