Punch - cooking recipe

Ingredients

2 oz. citric acid (powder form)
2 qt. boiling water
3 lb. sugar
1 tall can pineapple juice
1 tall can orange juice

Preparation

Mix citric acid, boiling water and sugar the night before in order to chill.
It will be syrupy.
Mix orange and pineapple juices with citric acid mixture and 2 gallons of water.