Here are the juice analyses results (Brix or sugar, pH and TA or acid) for berry samples collected Monday, August 24. Cultivar °Brix pH TA Chambourcin bc 20.1 3.10 1.096 Chambourcin gdc 19.6 3.09 1.087 Vignoles - North Vineyard 21.4 3.10 1.440 Vignoles - Research Block 23.5 3.22 1.136 Traminette … [Read more...] about Grape juice chemistry