Features
Meter tester: keeping your hands clean and can prevent pollution of water from the fish pond,saline water
Electronic hydrometer: the proportion of water sample can be automatically detected, the proportion, and conductivity of sea water are shown once,number
Salt water gravimeter: suitable for saltwater, swimming pool, aquaculture, aquarium (seawater) and pond, food processing and products industry,automatic hydrometer
Water salimeter: it is easy to read with high precision,saltwater refractometer
Refractometer saltwater tank: the pen type meter is a precision instrument for testing the value of a solution,hydrometer
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Fluval Sea Hydrometer for Aquarium, Medium
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Hydrometer Set for Fish Tank Water Measuring Tester Aquarium Salt Tester Kit
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Aquarium Hydrometers - XEGZLH Glass Aquariums Hydrometer with Builtin Thermometers Marine Floating Saltwater Salinities Tester 1.000-1.060 7.87in
