Sulfiting Agents

• Potassium metabisulfite, ascorbic acid and hydrolyzable tannins.
• Strong antioxidant and antimicrobial actions. When used on grapes, AST acts as an antibacterial and antioxidant.

Recommendations: Antioxidant; moldy grapes; antimicrobial; harvest machine; grape transport.
Dosage: 150-200 g/ton of grapes 
                 15-20 g/hL (1.2-1.7 lb/1,000 gal) in juice 
                 10 g/hL (0.8 lb/1,000 gal) of AST contains approximately 28 ppm SO2