Sera Marine Hydrometer Precision Glass Saltwater Hydrometer

  • ¥2,300

Sera Marin Hydrometer.

For the easy monitoring of marine water density. The salinity (salt contents) can be determined by measuring the density with the precision German engineered glass hydrometer from Sera.

The salinity in a marine aquarium must be kept constant and should be checked regularly. The water to be tested is filled into a tall water glass, and the scale of the immersed hydrometer shows the salinity level based in the immersion depth.

Quick, easy, accurate.

Contains a glass hydrometer and instructions.

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