7% acidity There are no shortcuts to making handcrafted vinegar. About The Taste: KATZ Trio Red Wine Vinegar is crafted to mirror the classic Meritage wines where small lots of red wine varietals are blended to create wines with great structure and character. KATZ Trio is made this way by blending selected lots of Merlot, Zinfandel and Cabernet Sauvignon. The finished vinegar has a lovely garnet color with nuances in the flavor of sweet ripe berries. "Though scientific advances have made large-scale production of vinegars fast and easy, it is the handcrafted Orleans Method that allows for the most full-bodied and nutrient-rich wine vinegars.