Decorative aggregates, such as colored glass or crushed stone, can add a great uniqueness to a concrete countertop. Aggregate is not very difficult to use and it creates a total custom look. However, it does require more work that just pouring the concrete because you need to expose the aggregate through careful grinding and optional polishing.
Here are three basic ways (ranked from easiest to most difficult) of getting the decorative aggregate into a pour-in-place concrete countertop:
1: Mix all of the decorative aggregate in with the concrete.