$22.79Average
Amazon Refractometers Deals
$118.31High
Milwaukee MA887 Digital Salinity Refractometer with Automatic Temperature Compensation, Yellow LED, 0 to 50 PSU, +/-2 PSU Accuracy, 1 PSU Resolution (color may vary)
$21.997% OFF
Ade Advanced Optics® Tri-Scale Clinical Refractometer-Urine Specific Gravity, Urine Refractive Index and Blood Serum Protein - Veterinarian
$18.99Average
Anpro Brix Refractometer with ATC,Refractometer for win Moisture, Brix and Baume,Dual Scale-Specific Gravity 1.000-1.130 and Brix 0-32%, for Wine Making,Beer Brewing,Maple Syrup,Molasses
$16.9914% OFF
iTavah Brix Refractometer with ATC, Hydrometer for Wine Making and Beer Beer Brewing, Dual Scale, Brix 0-32%, Specific Gravity 1.000-1.130
$75.86High
Sper Scientific 300001 Refractometer, Brix: 0 ~ 32%
$109.00High
Vee Gee Scientific STX-3 Handheld Salinity Refractometer with ATC, Industrial-Grade, 0 to 100 ppt, 1.000 to 1.070 Specific Gravity, 1-Year Warranty Included
$14.99Average
Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT - Dual Scale (1.0 to 1.070 S.G.) - Automatic Temperature Compensation
$22.998% OFF
AquaticHI Aquarium Refractometer w/LED for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity 0-100ppt & Specific Gravity 1.000-1.070 (Premium Kit w/LED)
$49.23Average
Red Sea Seawater Refractometer
$36.00High
Aeroway Salinity Refractometer, Aquarium & Seawater - Dual Scale (1.0 to 1.070 S.G.)
$136.00High
Milwaukee Instruments MA887-BOX Digital Refractometer for Seawater Measurements with Protective Padded Hardshell
Out of stock
Creatyi Portable Automatic Temperature Compensation Salinity Salinity Specific Gravity Refractometer
$14.9912% OFF
Seawater Salinity Refractometer,V-Resourcing Automatic Temperature Compensation Sea Water Salinity Measurer for Aquarium, Hydrometer, 0-100ppt & 1.000-1.070 Salinity Specific Gravity
$45.00High
Aquarium Salinity Refractometer with ATC – Uglyfish Seawater Refractometer,Dual Scale 0-100 PPT of Salinity and 1.000 to 1.070 Specific Gravity (0-10%) for Pool, Tank, Marine Monitoring Industry
$18.908% OFF
Professional Optics Salinity 0-10% Sea Water Refractometer ATC, Dual Scale (1.0 to 1.070 Density / 0-100ppt) for Salt Sea Water Aquarium Tank, Marine Industry, with LED Light and pipettes
$15.998% OFF
Ade Advanced Optics aaosal-B Automatic Temperature Compensation Sea Water Salinity Refractometer for Aquarium, 0% - 10% and 1.0 to 1.070 S.G. Dual Scale Hydrometer, Black
$15.997% OFF
Seawater Salinity Refractometer for Brackish/Marine/Reef Tank Testing,Smarthome SH Dual Scale Automatic Temperature Compensation 0-100ppt & 1.000-1.070 Specific Gravity with ATC
$22.90Average
Tri-Scale Refractometer ATC Brix 0-10%/ Salinity 0-100PPT/ Specific Gravity 1.000-1.070, for Saltwater Brackish Marine Reef Tank Salt Sea Water Hydroponic Aquarium Control Monitoring
$29.9914% OFF