The juice analysis for the berry samples collected this morning are as follows: 12-Sep-14 Cultivar ˚Brix pH TA g/100ml Catawba R 18.7 3.28 0.765 Chambourcin F 21.7 3.21 0.803 Chambourcin M 21.8 3.28 0.784   … [Read more...] about Grape juice chemistry