Mangrove Jack's M05 Mead Yeast plus a sachet of Mead Yeast Nutrient Nutrient. M05 is a quality strain of mead yeast and the nutrient is designed to support it. Yeast nutrients help to provide an optimal environment in which yeast can thrive, leading to better and faster fermentation. This Mangrove Jack's Mead Nutrient is specifically designed to give M05 Mead Yeast the best possible start to help rehydration and fermentation. Use the yeast according to the instructions on the packet. For staggered nutrient additions, add yeast nutrient at the beginning of fermentation, and continue to add further nutrients as needed throughout the fermentation process according to the recipe you are using. M05 Mead Yeast sachet contents: 10g. Mead Yeast Nutrient sachet contents: 12g.