February 23, 2026
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1 min read
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Refractometer Calibration Mistakes That Cause Salinity Swings
Avoid hidden salinity instability with a simple calibration routine for reef hobbyists.
Why Calibration Errors Happen
Residue, temperature swings, and rushed checks can throw salinity readings off.
Fast Calibration Routine
- Rinse with RO/DI
- Use calibration fluid
- Recheck before mixing saltwater
If values drift, compare tools and consider replacing your refractometer.
Log salinity in the ReefBay app to catch trends early.
