Salinity Refractometer for Aquarium Seawater Marine Fishkeeping

• MEASURES ON 2 SCALES - Aquarium Refractometer features specific gravity (D20/20) 1.000-1.070 and parts per thousand 0~100‰ , allow to get two results in different units by one test
• WIDELY USE - Salinity Refractometer measures saltwater, salinity of water or seawater, ideal for aquariums, marine monitoring, fish-keeping, and saltwater pools
• ATC FUNCTION - Saltwater refractometer with automatic temperature compensation (ATC) function, allow you to obtain the accurate result faster and easier
• EASY TO USE - Put 2-3 drops of sample on the refracotmter’s prism, towards light, read the accurate readings through the optics eyepiece directly
• DURABLE MATERIAL: The optic salinity tester is made of aluminum and ABS rubber, anti-rust, non-staining and resistant abrasion. Portable Refractometer comes with plastic case, mini screwdriver,a dropper and a cleaning cloth

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