Create the Yeast Starter at least 24 hours before crushing grapes. This recipe is sufficient for 10 gallons. Adjust according to your yield.
Items required:
Orange Juice
Water
Table Sugar
Yeast (based on grape)
Yeast Nutrient
One gallon or 1/2 gallon glass jug
Stopper
Cylinder Lock
Boil 1 cup of orange juice and 3 cups of water.
Cool the mixture. Add 2 tablespoons of sugar and 1 teaspoon of yeast nutrient.
Place the starter into a clean glass gallon or 1/2 gallon container that can accept a fermentation lock. Add yeast and attach a fermentation lock. Keep in a warm (70-80 degree) location for 1-2 days. Add entire amount to must.