Heat Tray (large & small): Ritchies Heat Tray Large

Heat Tray Ritchies The heating pad allows you to keep your fermentation vessel at the correct temperature when making beer & wine! Suitable for either Demi-John, Carboy and up to 33 Litre Bucket. The small heating pad is suitable for two demijohns The large heating pad is ideal for four demijohns If you're brewing in the winter or outside in your shed, then you'll need something to make sure you keep a constant temperature of around the 20-degree mark.