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Should I add Campden tablets each time I rack my wine and how do I measure the level of sulfite in my wine? - WineMakerMag.com
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North Mountain Supply - PCT-2oz Campden Tablets (Potassium Metabisulfite) - 100 Tablets - 2 Ounce Jar
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POTASSIUM METABISULFITE LD Carlson META 2oz WITH FREE CAMPDEN TABLET SCOOP (Not Sodium) - Hobby Homebrew
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Campden Tablets: What They Can And Can't Do. - Wine Making and Beer Brewing Blog - Adventures in Homebrewing
![North Mountain Supply - PCT-2oz Campden Tablets (Potassium Metabisulfite) - 100 Tablets - 2 Ounce Jar North Mountain Supply - PCT-2oz Campden Tablets (Potassium Metabisulfite) - 100 Tablets - 2 Ounce Jar](https://www.gosupps.com/media/catalog/product/cache/25/image/1500x/040ec09b1e35df139433887a97daa66f/7/1/71SdMMTXZKL._SL1500_.jpg)