Q I have a question about sanitizing. I just mixed a fresh batch of potassium metabisulfite (1.5 oz. powder to 1 gallon water) to sanitize my equipment, and this latest batch has
Dear Wine Wizard, Can Lambrusco wine be refrigerated for several months and then safely kept on a wine rack? What is the expiration time frame for this wine? Jeanne Considine Boulder, Colorado
You’re right to suspect that both the potassium metabisulfite powder and solution can lose their power over time. The solution, which you make by mixing the powder with water, is particularly unstable.