FermStop is an effective spoilage preventer to the fermentation process.
FermStop is a powerful yeast inhibitor, rather than killing off the yeast, it hinders the yeast's ability to multiple and be active.


Use at a rate of:
1 x Sachet per 9.5L / 10L
2 x Sachets per 19L / 20L

or 2.6mL per Litre

Can be used when backsweetening Mead, wines etc to prevent secondary fermentation, though a combination of potassium sorbate and sulphite is the most stable method if bottling back sweetened items for bottling.   Fermstop is appropriate for back sweetened kegged items.