AST

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  • Regular price $38.00

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Balanced mixture of potassium metabisulphite, ascorbic acid and hydrolysable tannins. Used on grapes, it guarantees a good antibacterial and antioxidant protection. Indicated for the treatment of grapes for the production of sparkling wine, white grapes rich in polyphenolic substances and grapes harvested by machine. It prevents very much the appearance of the defect known as "atypical aging".