Classic Thermometer - Dark Slate Take the guesswork out of fluctuating temperatures with this handy thermometer. Suitable for indoor and outdoor use, it's an indispensable tool when choosing where to position, and when to move, your plants. The thermometer is clearly labelled in five-degree intervals from -30°C to 50°C. It comes with two pre-drilled holes for easy mounting and can be quickly and easily hung indoors using string, hooks, or pins. Features: Simple to use. No batteries required. Natural slate mounting. Centigrade and Fahrenheit scales. Materials: Slate, glass and red kerosene. Usage: Mount the thermometer vertically, in a low-wind area outdoors, preferably using both top and bottom holes for extra stability. Allow the indicator level to settle in position. The height of the red liquid shows the temperature.
