Good acid testing is important in winemaking in order to ensure good flavor and for keeping full bodied qualities in finished wines. Only grapes grown under ideal conditions will contain acids in the right proportion to produce good wine. For best results it is vital to measure and adjust acid before fermentation begins.
One plastic syringe, testing cup, 4 fl. oz. sodium hydroxide solution, 1/2 fl. oz. phenolphthalein color solution in a drop dispenser bottle.
Desired Acid Levels:
Fruit Wines .60%Red Grape Wines .65%White Grape Wines .75%Sherries .50%