A basic fruit based agua is very easy to prepare. The key is to use fresh, ripe fruit that is season. And if the fruit you choose needs a little perk, add some fresh citrus, like orange or lime juice. Adding frozen fresh fruits is a treat! Good quality flavored extracts are a good way to add extra flavors. Coconut and vanilla extract would be really tasty combined with this pineapple agua fresca as well as with the paleta.