Approximately 110 tablets made with Potassium Metabisulfite. 1 tablet per gallon equals 30 ppm free SO2. Each tablet is about 0.5 g.

Campden Tablets, 2 oz
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$4.79

Approximately 110 tablets made with Potassium Metabisulfite. 1 tablet per gallon equals 30 ppm free SO2. Each tablet is about 0.5 g.