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Pellikan · 04/12/2016, 11:55 PM

I know there's electronic refractometers. Presumably using conductivity to test. There must be a white paper on it somewhere.

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04/12/2016, 11:55 PM	#52
Pellikan Registered Member Join Date: Feb 2016 Location: San Diego Posts: 32	I know there's electronic refractometers. Presumably using conductivity to test. There must be a white paper on it somewhere. Sent from my SM-N900P using Tapatalk