Nebulizer selection is a critical but often overlooked aspect of ICP-OES analyses. There are many different nebulizers available for ICP-OES, and choosing the optimal one can be confusing and difficult. To achieve peak performance from your ICP, it is essential to choose the proper nebulizer based on your sample types, in addition to any necessary accessories to maintain long-term performance. In this study, we compare the performance of Glass Expansion's most popular concentric nebulizer designs for ICP-OES applications, as well as a parallel-path nebulizer from another vendor, providing a complete selection guide based on performance and design.