For use in mashing of starch-based substrates, such as raw grains and potato, for fermentation of alcohol to make distilled spirits.Still Spirits Distillers Enzyme High Temperature Alpha-amylase 12g- Net Weight: 12 g (0.4 US oz)- Sufficient for: Up to 10 kg (22.0 lbs) Liquefied Starch For Fermentation Volumes Up To 25 L (6.6 US Gal)- Temperatures: High Temperatures- Temperature Tolerance: 80-110°C – Optimum 95-105°C (176-230°F – Optimum 203-221°F)