Yeast Stopper for 20-25 Liters of Wine or Mead

Yeast stopper is utilized to prevent the wine from initiating fermentation again once the fermentation process is completed.

It is always added after the fermentation is finished. A blend of potassium metabisulfite and potassium sorbate. It supplies SO2 and sorbic acid to the wine, halting the fermentation and preserving the wine.