Features
Marine fish tank density meter--placed in any corner of the fish tank, floating design, automatic temperature/ testing,hydrometer salt
Glass saltwater hydrometer--in the aquarium, it is convenient to measure the specific gravity of the sea water and provide convenience for raising fish,floating hydrometer
Salt water floating hydrometer--it is easy to use and suitable for fish tank and aquarium,floating salt hydrometer
Aquarium fish tank--made of glass material which can directly with water,floating hydrometers
Fish tank pond water saltwater--it is convenient to test the specific gravity and temperature of water,fish tank
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