Classic 6 is the low fermentation odour. Specifically formulated to ferment 6 kg (13.2 lb) of sugar across a wide range of temperatures, while still producing a clean tasting spirit. We recommend you use Turbo Carbon as it will significantly improve the performance of Classic 6 Turbo. Turbo Carbon: Removes impurities during fermentation. Turbo Clear Part A and Part B: Transform your alcohol quality! Turbo Clear is added directly into your turbo wash and within 24 hours removes over 95% of the yeast cells, solids and other compounds from the wash.