Cook the corn with the 7 cups of water for an hour. Place the corn mixture in a blender and blend until smooth. Then strain the mixture and place it in a large pot and cook over medium heat for about 10 minutes.
Working in batches, place the pineapple chunks in the food processor. Add the pineapple and the rest of the ingredients to the pot and stir well with a wooden spoon. Cook for about 15 minutes more or until begins to set, stirring often.
Adjust seasoning according to your taste, let stand for a couple of minutes and serve warm or cold.