Milwaukee Instruments MIMA871 Digital Sugar Refractometer with Automatic Temp Compensation Yellow LED, 0 to 85-Percent Brix and 0.1-Percent Resolution 233.60$
Digital Salinity Meter,Portable Electronic Salinity Salt Meter 0.00ppt-9.99ppt, 10.0ppt-50ppt Range Waterproof Salt Meter for Seawater/Aquariums/Hydroponics Save 8.70$ 32.19$
Professional 58-90% Accurate Brix Refractometer for Maple Syrup Makers Measuring Sugar Content,Honey Sugar Wine Juicetester Meter,Internal Temperature Compensation(10℃ to 30℃),Comfortable Handle 31.95$
ZffXH Honey Maple Syrup Brix Refractometer/ 58-90 Brix 10-33 Moisture Meter/ homebrew Sucrose Brewing Sugar Aichose Hydrometer/beekeeping Supply Atc Save 5.90$ 21.99$
ZffXH Alcohol Refractometer with 0 to 80% W/W Resolution 1% Portable ATC Handheld Scale Save 4.00$ 19.99$
2 Bottles Refractive Index Fluid Oil 3ML Each 1.300-1.800 RI for Gem Refractometers Save 8.09$ 22.40$
Wine Refractometer, Portable Hand Held Grape and Wine Alcohol Refractometers, 0-25% Vol 0-40% Brix 0-22 Baume, Brix Refractometer 31.85$
Honey Moisture 58~90% Brix Refractometer with ATC, Handheld High Measuring Range Sugar Content, Honey, Jelly, Jam and Syrup 29.99$