Here are the results of the juice analysis from the berries collected this morning. 4-Sep-12 Cultivar °Brix pH TA Chambourcin F 21.2 3.23 0.688 Norton NN 22.9 3.45 0.871 Norton NS 21.7 3.39 0.882 Norton R 22.5 3.47 0.840 … [Read more...] about Grape juice chemistry