Tropic Marin High Precision Thermometer
High precision instrument for determining the temperature in aquariums
Many tank inhabitants are sensitive even to minor changes of the water conditions. For an exact, reliable measure of the water temperature Tropic Marin® offers a high-precision instrument. The alcoholic thermometer is handmade and designed to float vertically in the water. The maximum deviation is about 0.2 °C / 0.4 °F.
How to use:
Handle with care: This is a high precision instrument. If red temperature indicator thread becomes discontinuous, hold thermometer vertically in ice water. Shake thread back into bulb, if still necessary.