Vintner's Sulfidex - Copper Sulfate Solution 1%
Removes excess hydrogen sulfide in wine.
Directions:
Shake well before use
Use as soon as possible after fermentation
Recommended dosage: 0.5-1.0 ml/23 L (6 US gal.) = 0.2-0.4 ppm copper
Helps reduce Hydrogen Sulfide (rotten egg smell) in wine.