1 (6 oz.) can frozen limeade concentrate
1 (46 oz.) can unsweetened pineapple juice
1 (10 oz.) pkg. frozen strawberries
1/4 c. ReaLemon lemon juice
1/4 tsp. salt
1 lime, thinly sliced, unpeeled
3 (4/5 qts.) champagne, chilled

Combine first 3 ingredients; stir in lemon juice and salt. Turn into punch bowl over ring of ice (or cubes). When ready to serve, add chilled champagne. Garnish with lime slices.

NOTE: For a non-alcoholic punch, replace the champagne with 3 quarts of ginger ale.