Aumotop Brix Refractometer Portable Sugar Tester for Beer Wine Fruit Juice 0-32% ATC Compact Design for Homebrewers
Salinity Refractometer Double Scale 0‑100 PPT 1.000‑1.070 Portable ATC Salinity Meter Aquarium Monitoring Aluminum ABS
Yosoo Refractometers Salinometer, Seawater Salinity Meter Aquarium Optics Refractometer Temperature ATC Digital 0-10% Refractometers Salinometers Aquarium Sea Water Brine Hydrometer Measurement Tool
TOOGOND Professional Salinity Refractometer for Saltwater Aquarium, Pools, and Tanks,Dual Scale 0-100 PPT & Specific Gravity 1.000-1.070 with ATC Function
Salinity Refractometer for Aquarium, Marine Monitoring, Saltwater Testing, Dual Scale Salinity Tester 0-100 PPT& 1.000-1.070 Specific Gravity Saline Seawater Refractometer Hydrometer with ATC
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
