Halls Max/Min Thermometer

When you are heating your greenhouse or overwintering plants, it is vital that you monitor the maximum and minimum temperatures your greenhouse reaches. This allows you to heat or ventilate more depending on the recorded readings.

This thermometer incorporates markers for both high and low temperatures, these are pushed by the change in temperature allowing you to see the daily minimum and maximum temperatures. Simply push the reset button to reset the markers when you are monitoring the daily temperature.