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refractometer

Red Sea Reef-Spec »High Precision Refractomer

€73,95
The seawater refractometer offers exceptional precision because it uses a specific algorithm developed to measure the
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Professional Densimeter Amtra

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

Will be a densimeter sailor

€9,95
To easily control the density of seawater. The measured density gives salinity (salt content). Given
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Blue Marine Hydrometer

Blue Marine Hydrometer

€9,95
Hydrometer to control salt density in your marine aquarium                                               
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