New Bench Trial Kits: Wine Improvement & Aging and Wine Finishing By popular demand, we are excited to introduce two new bench trial kits that include a selection of tannins, mannoproteins, and more. The two kits are organized by winemaking stage to ensure product contact times are compatible with your production. Improvement & Aging Kit This bench trial kit contains a selection of tannins from our portfolio that can help improve aroma and structure after fermentation or during aging. Shop Now Finishing Kit This bench trial kit contains a selection of mannoproteins and tannins that can be used 24-72 hours prior to bottling for last-minute adjustments. Shop Now