Alcotec Rum Turbo Yeast is for grain or molasses based recipes, we have added a GA (glucoamylase) enzyme which breaks down dextrins which are leftovers from the raw materials after fermentation (grain, rice etc.). For grain based recipes, you also need to pre-treat the wash with Alcotec Alpha Amylase Enzyme (Sold separately). Contains complete nutrition for rapid fermentation. Producing full, rich fruity aromatics, it also includes glucoamylase enzyme to break down and convert starch and carbs into sugars for optimum yield.73g sachet, suitable for 25 litre fermentations.Contains both Turbo Yeast, Yeast Nutrient, Amylase Enzyme and Vitamins. Contents: Yeast, enzymes, nutrients, vitaminsNOTE: The brew must contain the legal amount of fruit/berries.