Features
Salt water gravimeter--the excellent workmanship of our product will bring you a ,sea hydrometer
Saltwater hydrometer--it is widely applied in sea water, aquarium, swimming pool, etc,sea hydrometer
Scale hydrometer--it is suitable for swimming pool, aquaculture, saltwater, seawater and aquarium,sea hydrometer
Hydrometer--the density above is between 13 and 14, clear and easy to read,sea hydrometer
Sea hydrometer--it is made of glass material, which is and practical, not easy to break,Salt Water Gravimeter
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