Here is the juice analysis results for the berry samples collected this morning (Norton in the Foundation Vineyard was collected early afternoon.) 19-Sep-14 Cultivar ˚Brix pH TA g/100ml Catawba W 17.1 3.25 1.163 Chambourcin F 22.1 3.29 0.780 Chambourcin M 21.9 3.38 0.780 Norton F 22.4 3.29 0.878   … [Read more...] about Grape juice chemistry