make sure you check the pH, which affects concentration of free sulfite
Used it in wine making and worked well.
Feature Product
- Potassium meta-bisulfite
- 1/4 teasp adds 5 ppm to 5 gallons of must or wine
- 1 lb (454 g) quantity
- Dissolve in a small amount of wine and stir gently into your vessel
Description
Potassium Meta-bisulfite, or SO2 as it is often referred by, is used to help control spoilage bacteria and indigenous yeast as well as oxidation. The most common form of Meta-bisulfite is as a powder which is fixed with potassium or sodium. This versions is fixed with Potassium. 1/4 tsp adds 50 ppm to 5 gallons of must or wine. The exact amount needed to effectively protect the wine is determined by the wine’s ph. Dissolve in a small amount of wine and stir gently into your vessel.
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