Here is the grape juice chemistry results for degrees Brix (sugar), pH and TA (acid) for berry samples collected August 5, 2009.

Grape Juice Chemistry 5 August 2009
Cultivar	⁰Brix	pH	TA
Cayuga White	17.7	3.08	1.106
Chambourcin (bc)	14.9	2.87	1.695
Traminette (south)	13.6	2.68	2.243
Traminette (north)	12.8	2.71	2.629