Garland Digital Max/Min Wall Thermometer

Electrical World

Comes supplied with AA battery. The thermometer should be positioned away from direct sunlight and draughts to ensure and accurate reading. The minimum reading indicates how low the temperature has dropped, and the maximum reading indicates how high the temperature has risen. The current temperature is displayed in the centre of the instrument. To reset the readings, press the CLEAR button. To switch Celsius to Fahrenheit, press C/F button.

ManoMano

Make sure the soil is moist and the probe is clean Push the probe into the moist soil to about 12cm deep and wait 60 seconds to take a reading. Take two to three readings in different places A reading between 7 is pH neutral, between 3 and 7 is acid. To make the soil more alkaline, for every 1 pH add approx 300 grammes per square metre of lime A reading between 7 and 10 is alkaline