Deciding to do an in ground pool is a big step in itself for your family. Now you are confronted with the first dilemma... Vinyl Liner or Fiberglass? Which one is better? Which one is more economical? Ultimately, which one is right for my family and I? The best part is that there is no wrong answer! Below are some of the features and benefits of the two most popular in ground pool types in the Chicago land area.