Punch - cooking recipe

Ingredients

4 oz. citric acid
6 lb. sugar
1 gal. boiling water
2 gal. cold water
2 large cans frozen lemon juice
2 large cans pineapple juice

Preparation

Mix well the acid, sugar and boiling water.
Add the cold water and juices.
This makes 4 1/2 gallons undiluted.
Use 1 bottle ginger ale to 1 gallon punch.
Put in freezer and let freeze, thawing partially just before serving.