Instructables

Step 2: Grape Juice

Picture of Grape Juice
The instructions in the following two steps are for 3 lbs of cleaned grapes. Adjust the recipe according to how much you pick.
  1. Take the grapes off the stem and wash them well.
  2. Put your harvest in a saucepan and add 1/2 cup of water.
  3. Crush the grapes with a potato masher. Don't use your fingers, as a lot of juice soaked into your skin can cause a burning sensation.
  4. Bring to a boil, cover and simmer for 10 minutes.
  5. Strain and squeeze the mixture through a jelly bag, cheese cloth or similar fabric.
  6. Leave the juice overnight and then pour it out very gently, so that the tartrate ( a grainy substance) is left behind on the bottom and sides. Tartrate can cause sore throat and mouth.
You will get roughly 1 cup of juice for each pound of fruit.
 
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