High grade activated carbon designed to remove the impurities from distillate collected from any type of still if a filter system is not available. Dilute distillate to 40% ABV, and soak for 10 days. Dosage 20g per litre. Place carbon into sieve & rinse under running water to dislodge any fine powder. Add to 40% spirit & leave for 2 weeks. Stir vigorously twice daily. Discard after use.