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

DUAL SCALES – Saltwater Refractometer measures on specific gravity (D20/20) 1.000-1.070 and parts per thousand 0~100‰ (1‰=1ppt=1000ppm) allow you to get the result in two different units by one test WIDELY USE – The Refractometer designed for Aquariums Marine Monitoring Agricultural Gardening & Educational Purposes. Testing the saltwater’s concentration to help you to control concentration of salt water EASY TO USE – Put 2-3 drops of sample solution after calibration on prism towards light then get the accurate readings. Hallocool aquarium refractometer is ideal for replacement salinity hydrometers or expensive digital salinity tester ATC FUNCTION – This aquarium salinity refractometer features Automatically Temperature Compensate function makes refractometers always get accurate readings fast and easy DURABLE & PORTABLE – Saline refractometer is made of aluminum and ABS rubber anti-rust non-staining and resistant abrasion sturdy for long time use. Portable refractometer with plastic case easy to carry