pH testing

From: Milan Hughston <*bm.acc*> Date: Friday, March 19, 1993 · bm.acc

There are several pH testing kits and pens on market; is there a
consensus which is the best method/procedure?

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                  Conservation DistList Instance 6:51
                  Distributed: Tuesday, March 23, 1993
                        Message Id: cdl-6-51-010
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