refractometer cal fluid

[moumda]

I recently purchased a refractometer and wanted to make sure it was in calibration. I found your homemade cal solution and made so up to test with. I was wondering how long I could store this solution for retesting later? Does it maintain it's accuracy? BTW: I've gotten a lot of great info on your forum. Thanks a bunch.

 

[Randy Holmes-Farley]

As long as it is not evaporating or letting a lot of water enter from humid air, it is good forever.

Thanks a bunch.[?B]

:thumbsup:

You're quite welcome.