DetailsFor 1 or 2 demijohns. Stand the jars on the pad.
Provides gentle warmth to encourage successful fermentation. 20 Watts, 220/240 V (UK power supply only).
The heat pads are a simple device that are designed to warm the brew by approximately 9 deg C above ambient. This level was based on data that suggested a typical domestic temperature of 15-18 deg C giving a liquid temperature of 24-27 deg C.