ZEPFJHE Salinity Refractometer For Seawater Aquariums Accurate Measurement With Automatic Temperature Adjustment Temperature Compensated Tester

Equipped with oversized 1mm wider eyepiece for clearer visibility and builtin temperature compensation technology that eliminates manual adjustment, this saltwater aquarium salinity tester maintains accuracy across varying environmental condition This multifunctional aquarium water testing tool combine better clear with aluminum alloy housing, featuring easy to read scale and calibration systems that simplifies maintenances of optimal salinity levels in marine environment High precise salinity refractometer for seawater aquaculture ensures optimal water environment with ±0.1% accuracy, featuring automatic temperature compensation (0-30℃) and corrosions resistant aluminum alloy construction for efficient saltwater testing Essential for routine water check in marine habitats, aquaculture farms, or home saltwater aquariums to stress in fish and corals species caused by salinity fluctuation Great for marine biologists, professional aquarium operators, and home aquarists maintaining reef tanks or saltwater ecosystem requiring precise salinity between 25 50‰ concentration levels