ABOUT THIS PRODUCT: (FIN430) Turbo Carbon is specifically designed for use during fermentation. The unique activated internal pore structure removes impurities not taken out by post distillation filtration. It is essential for use and will significantly improve all distilling yeast. It is strongly recommended that you use Turbo Clear after fermentation to remove solids before distilling. If Turbo Clear is not used the impurities trapped by Turbo Carbon will be released. 130 gram package. Complete directions are included.