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Made to order

Red Sea REEF-SPEC » High precision refractometer

73,95
The seawater refractometer offers exceptional accuracy because it uses a specific algorithm developed to measure the

Amtra Professional Densimeter

12,95
Hydrometer with thermometer for marine aquarium.

Sera Marin densimeter

9,95
To easily monitor the density of seawater. The measured density gives the salinity (salt content). Given
Made to order

Blue Marine hydrometer

9,95
Hydrometer to monitor the salt concentration in your marine aquarium