Refractometer Calibration Fluid



Refractometer Calibration Fluid

Using pure seawater calibration fluid insures your refractometer provides consistent and accurate readings when mixing or adding salt to your setup. Maintaining the right salinity is important for the inhabitants of any marine aquarium.


  • 1.0264 Specific Gravity
  • 1.3394 Refractive Index
  • 35 ppt Salinity
  • 53 µS/cm
  • ±1% @ 77°F/25°C


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