Wine Sulfites

Use and Test Free SO2 in WineThis article has been our go-to reference at The Beverage People for understanding and making additions of SO2 in wine or cider. It will help you understand how to use campden tablets or other sources of Free SO2, and know how much potassium metabisulfite per gallon of wine is needed.

WINE TEST KITS

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Campden Tablets - 25 count - 1 per gallon = 75 PPM sulfite
1 per gallon = 65 PPM SO2 25 tablets by weight
Potassium Metabisulfite 4 oz.
4 oz package in 1 gallon water = 3% solution
Potassium Metabisulfite 1 lb.
Average rating:
100 grams in 1 liter of water = 10% solution (see wine catalog for details)
Potassium Metabisulfite 5 lbs.
Average rating:
IO Inodose Effervescent SO2 Tablets 2 g ea. - Sleeve of three tablets
2 g dosage is 528 ppm per gallon or 9 ppm per 60 gallons. Irritating to eyes and respiratory system. Keep away from children.
IO Inodose Effervescent SO2 Tablets 5 g ea. - Sleeve of three tablets
IO Inodose Effervescent SO2 Tablets, Box of 48, 2 g each
Average rating:
IO Inodose Effervescent SO2 Tablets, Box of 48, 5 g each
Average rating:
One Gallon Distilled Water - For Mixing Sulfite Solution