Cut the unpeeled pineapple into 1½-inch cubes. Combine the allspice, cloves, and canela in a mortar and crush roughly with a pestle. Transfer to a 4- to 5-quart earthenware or glass jar with a tight-fitting lid.
Add the pineapple cubes and 8 cups of the water and stir to combine. Cover the jar with a lid and set it in a location that receives plenty of s