Serenity Digital LCD Refractometer
A digital refractometer is easy convenient way to check your salinity and temperature. No Calibration required - simply turn on and scoop.
Correct salinity is crucial for the survival and health of your fish and corals.
This high quality refractometer is extremely accurate and easy to use and calibrate.
Accurate to with in 0.0001%
Calibration not required
The Refractometer is a must have for all marine hobbyists.
This model also feature ATC (automatic temperature compensation).
Automatic Temperature Compensation
1.000 to 1.031 specific gravity
1-40 degrees celcius
Easy to read - LCD Screen