Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium Automatic
Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium Automatic
0
293.25293.25
In Stock
Brief Operation Instructions
- Calibrate to "o".
- Place a few drops of the sample to be tested onto the main prism.
- Close the day light plate hold it under a light source , then check the reading.