Amtra Refrectometer Option 1:-- Due to destabilizing factors (including

Due to destabilizing factors (including overfeeding

Does not retain hair and impurities

The function of this thermostat is far more sophisticated than the simpler on/off switching devices

5 cm (tank only)

Healthy skin and lustrous fur

Amtra Refrectometer Option 1:-- Due to destabilizing factors (includingAMTRA LED OPTICAL REFRACTOMETER optical refractometer for measuring salinity in the marine aquarium with integrated LED Features: Practical optical refractometer for measuring salinity in a marine aquarium equipped with LEDs for better reading of values and with automatic temperature compensation (ATC) Thanks to the supplied LED, you can comfortably read the measured value in any external light situation Possibility of re calibration Integrated