Here are the juice analysis results from the berry samples collected this morning. 29-Aug-12 Cultivar °Brix pH TA Catawba W 16.2 3.22 0.750 Chambourcin M 22.4 3.30 0.758 Chambourcin F 21.8 3.21 0.732 Norton NN 23.4 3.31 0.957 Norton NS 22.3 3.26 0.972 Norton F 23.1 3.28 0.788 Norton R 22.7 3.36 0.874 … [Read more...] about Grape juice chemistry