Still Spirits Triple Distilled Turbo Yeast 110G - Ultimate Quality Good up to 20%Triple Distilled Turbo – Ultimate quality Triple Distilled Turbo should be used where ultimate alcohol quality is of primary importance. Only use where cool air temperature (between 18–24°C) can be maintained. This is a revolutionary breakthrough in Turbo Yeast development making it possible to produce “triple distilled” quality alcohol in the home. It is essential to use Turbo Carbon with Triple Distilled Turbo Yeast.