Potassium Sorbate, 1 oz
Potassium Sorbate, 1 oz

Potassium Sorbate, 1 oz

Potassium Sorbate, 1 oz
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Potassium Sorbate - prevents renewed fermentation.  It will not, however, stop an active ferement.  Use 3/4 teaspoon per gallon when fermentation has ended.  Then add sugar to taste if needed.