40 Water

1 1/2 oz Bacardi 151 proof rum
1 1/2 oz Light rum
1 1/2 oz Triple sec
1 dash Grenadine
Fill with Pineapple juice

Traditionally, this drink is created in an empty 20oz bottle of water. Fill the bottle 1/4 full of crushed ice. Add the 3 shots in any order. Add the dash of Grenadine. Fill with pineapple juice. Close the cap, and shake.