I need to modify the above statement that I made a few weeks ago. In that posting, I made two claims: (1) that Phenidone produces higher fog than DimezoneS, and (2) that Phenidone's fog rises as pH rises. The second claim I made is false. pH does not affect Phenidone's fog-level. Further testing shows no relationship between fog and pH. The graph I posted showing a correlation must have been due to happenstance. I still see Phenidone producing a bit more fog than DimezoneS, about .02 higher typically, a small enough difference that most people will neither notice nor care.
Mark Overton

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