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refractometer

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
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Amtra Professional Densimeter

€12,95
Hydrometer with thermometer for marine aquarium.
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Will be a marine densimeter

Sera Marin densimeter

€9,95
To easily monitor the density of seawater. The measured density gives the salinity (salt content). Given
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blue marine hydrometer

Blue Marine hydrometer

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