[Shop-talk] Testing for moisture in a concrete floor

[Jim Stone]

Very interesting idea!  Thanks, Bob.

> On May 23, 2017, at 9:34 PM, bobkegel at comcast.net wrote:
> 
> Try a blank test on an impervious surface, such as a piece of glass.  If you get the same high result, it would be from atmospheric moisture.
>  
> Bob K, neither chemist nor expert.

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