The 4290 100G Dried Active Yeast from Youngs is the economical way to buy yeast for homebrew wine, beer and cider due to only having to use 1 level teaspoon per gallon. Stir the yeast into the prepared liquid and activation will be achieved if left at a fermentation temperature of 21-24C. Before you know it, you\'ll be sipping your own brewed alcoholic beverage! Dried Active Yeast Features Youngs Dried Active Yeast 100 Grams 4290 1 Level teaspoon per gallon Leave in fermentation temperature of 21-24C Suitable for most homebrew wine, beer and cider Youngs\' Ref. MPN: 4290Colour: N/ASizes: 100GPM Ref. 22052