Tropic Marin Thermometer
For fresh and salt water aquariums.
The Tropic Marin© High Precision Thermometers are individually handmade and calibrated in Germany by experienced craftsmen. If handled and stored properly, their maximum deviation is one fifth of a degree.
Scale is from 64 °F (18 °C) to 86 °F (30 °C). The maxiumum deviation is one fifth of a degree.