spykey November 24, 2009 Share November 24, 2009 Does anyone have a refractometer (near Rockville) that I could compare mine to. I do not have any calibration solution, and will not have any for a while. Thanks Link to comment Share on other sites More sharing options...
Mountaineer November 24, 2009 Share November 24, 2009 I do and may have some solution somewhere. I live in Olney if that no one is closer. Link to comment Share on other sites More sharing options...
spykey November 30, 2009 Author Share November 30, 2009 Thanks Mountaineer, but I was able to pick some solution up this weekend in NJ. I appreciate the offer. Link to comment Share on other sites More sharing options...
chucelli November 30, 2009 Share November 30, 2009 next time, you could just use some RO water. Works the same. Link to comment Share on other sites More sharing options...
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