Features
Glass float meter--placed in any corner of the fish tank, floating design, automatic temperature/salinity testing,glass densitometer
Hydrometer--it is convenient to test the specific gravity and temperature of water,glass densitometer
Light meter--it is easy to use and suitable for fish tank and aquarium,glass densitometer
Pram meter--made of premium glass material which can directly with water,glass densitometer
Glass densitometer--in the aquarium, it is convenient to measure the specific gravity of the sea water and provide convenience for raising fish,glass float meter
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