KESYOO 2pcs High Precision Hydrometers Digital Tester for Fish Tanks Accurate Specific and Measurement for Aquaculture and Aquariums

Aquarium hydrometer:it is widely applied in sea water, aquarium, swimming pool, etc,salt water gravimeter

Hydrometer:placed in any corner of the tank, floating design, automatic temperature/ test,water measuring tester

Glass hydrometer:quickly, easily, and accurately measurement, easy to observe the result,water salimeter

Aquarium accessories:it can be mixed directly with water, convenient and easy to use,water salimeter

Hydrometer digital:it is manufactured with professional technology to ensure the of the product and can work for a long time,water salimeter