Give your yeast an added boost with this yeast nutrient. Recommended for meads which tend to be nitrogen deficient, but good for all wines and ciders as well.
Diammonium Phosphate (DAP) is a good source of nitrogen for yeast. The added nitrogen will help the yeast will remain active through the ferment. Use 1/2-3/4 gram per gallon (1/2 tsp per 5 gallons).