Campden Tablets are a form of Potassium Metabisulfite. 25 count Campden Tabs ($2.99) 100 count Campden Tabs ($6.99) Potassium Metabisulfite 2 oz ($2.99) Potassium Metabisulfite 4 oz ($4.99) Sodium Metabisulfite 2 oz ($2.99) $2.99 X Tags: Winemaking Type: Additives Additives and Water Treatment Finings and Clarifiers Wine Additives Wine Additives