Monitoring your grape maturity does not need to be expensive or time consuming.  myEnologist provides great prices on both juice and wine panels.  For each juice sample submitted, myEnologist provides Brix, TA, pH, Glucose/Fructose, Ammonia, Alpha Amino Nitrogen, Potassium, Tartaric, and Malic.  Annual subscription prices range from $200 a month for 10 samples to just $5 a sample at higher volumes.  Free courier service is available or samples can be dropped off at their lab inside Napa Barrel Care.  For more information visit their website at www.myenologist.com or call 707-812-1242 to find out how much you can save on juice analysis.