Curious as to why you chose this strain since its alcohol tolerance is (I assume) lower than your expected %ABV? Maybe just got some for free from a fellow winemaker? For reds I have had success with CH16 (pH 3.4, temp 62-77, SO2 40ppm, ABV16%) and O-mega (pH 3.1, temp >57, SO2 60ppm, ABV16%...