Features
Professional aquarium test tool: placed in any corner of the tank, floating design, automatic temperature/ test.
Fish tank: fine iron sand in the tool, particle symmetry, measurement more accurate.
Glass hydrometer: applied to fish tank, swimming pool, aquaculture, water laboratories, etc.
Aquarium hydrometers: clear calibration, accurate and convenient measurement of density, practical to use.
Hydrometer specific gravity: high sensitivity probe for more accurate measurement and more practical use.
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