Here are juice analyses results (Brix (sugar), pH and TA (acid)) for berry samples collected yesterday, August 12. Cultivar °Brix pH TA Cayuga White 19.2 3.11 0.870 Chambourcin bc 17.3 2.99 1.252 Chambourcin gdc 16.6 3.03 1.328 Sunbelt 11.9 2.92 1.395 Concord 13.5 3.10 0.926 Vignoles north … [Read more...] about Grape juice chemistry