Campden Tablets Potassium Metabisulfite 1 OunceUse one Campden tablet per gallon. Contains potassium metabisulfite and is a convenient way to accurately sulfite wine. Releases sulphur dioxide, which acts as a sterilant and antioxidant. 100 per bag.Potassium Metabisulphite is an antioxidant. It slows down the aging and oxidation of wine by removing free oxygen suspended in the wine. Potassium metabisulfite is often called a stabilizer because it serves to prevent spoilage and further fermentation by removing oxygen. However, adding potassium metabisulphite preserves the flavor and color of a wine. Each of these is able to bond with free oxygen floating around in wine. When this happens the free oxygen is no longer available to be consumed by micro-organisms. The removal of oxygen chokes off most micro-organisms and will prevent them from reproducing. Sodium Metabisulfite can be used interchangeably with potassium metabisulfite. While they both have very similar chemical makeups the difference is that potassium metabisulfite leaves potassium behind and sodium metabisulfite leaves sodium behind. A few things to know about potassium metabisulfite. The compounds it creates can be hazardous to your health in large quantities. SO2 is a toxic gas. Be careful not to breath the dust in or gas that is released when dissolving in water. After adding potassium metabisulfite to your wine, give it time to bond with the wine before tasting any samples. Potassium metabisulfite is a controlled substance in food and wine preservation. Caution : Please use caution when adding SO2. Once it’s been added it is not easy to remove. The only remedy is to give it lots of time to dissapate. Chemically there isn’t much you can do.Also, potassium metabisulfite can be very agitating to your eyes and respritory system. Handle the powder carefully and do not let the dust into your eyes or breath it in.
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