Milwaukee MA871 Digital Brix Refractometer for Winemakers & Brewers

Milwaukee MA884 Digital Brix / Potential Alcohol Refractometer for Brewers

YSI EcoSense EC300 w/probe: Conductivity, Salinity, Temp Meter $640 NEW

Apera Series EC60 Cond/TDS/Salinity Waterproof Conductivity Pocket Tester

eSeasongear SALT-3000 Meter Digital NaCl Salinity ppm Tester for Pool & Koi Pond

Milwaukee MA888 Digital Ethylene Glycol Refractometer for Winemakers, Brewers

Apera Series EC60 Cond/TDS/Salinity Waterproof Conductivity Pocket Tester

Misco PA203X Digital Refractometer-BRIX, Diglycolamine &Methyldiethanolamine