Easy Homemade Wine

13 (32 oz) bottles white grape juice
1 1/2 gallons filtered water
7 1/2 c sugar
1 pkg yeast

Pour grape juice into 5-gallon container. Bring water and sugar to a boil until sugar is melted. Let cool. Pour into container. Add 1 pkg yeast. Close with airlock stopper. Allow to ferment for 3 weeks in a sanitized 5-gallon container. After 1 additional week, bottle.