The juice analysis for the berry samples taken this morning (after it stopped raining) are as follows: 9/10/2010 Cultivar °Brix pH TA Chambourcin MVEC 21.8 3.40 0.705 Chambourcin F 21.0 3.33 0.713 Catawba W 17.5 3.38 0.803 Norton NN 21.5 3.64 0.968 Norton NS 20.7 3.48 1.062 … [Read more...] about Grape juice chemistry