Used primarily in sanitizing solutions to lower pH, therefore making the SO2 solution more effective. Use 1 tablespoon/gallon along with 1 tablespoon metabisulfite/gallon. Citric is not added to directly to must prior to either primary or ml fermentation as its metabolism can lead to volatile acidity.
A rough approximate of weight is 1 tsp = 4 grams. We highly recommend using a scale to weigh the product for an accurate dose. We do not recommend relying on these rough conversions for accurate dosage rates.