In this video, we explain how to choose a library loading concentration by first checking the library prep kit and sequencing platform documentation, then explaining how to use the average library size to determine a starting loading concentration. To find the support bulletin referenced in the video, please visit our Technical Bulletins website: https://support.illumina.com/bulletins.html The methods and tools depicted in this video are for research use only and not for use in diagnostic procedures. ©2021 Illumina, Inc. All Rights Reserved.​ [M-GL-00190] Subscribe to the Illumina video channel http://www.youtube.com/subscription_center?add_user=IlluminaInc A global genomics leader, Illumina provides comprehensive next-generation sequencing solutions to the research, clinical, and applied markets. Illumina technology is responsible for generating more than 90% of the world’s sequencing data.* Through collaborative innovation, Illumina is fueling groundbreaking advancements in oncology, reproductive health, genetic disease, microbiology, agriculture, forensic science, and beyond. *Data calculations on file. Illumina, Inc., 2015. View customer spotlight videos https://www.youtube.com/playlist?list=PLKRu7cmBQlajfheLzgbI4S7xBn7IDbt79 View Illumina webinars https://www.youtube.com/playlist?list=PLKRu7cmBQlahpXlnrrXlQw9itVJ8yHwUZ View Illumina product videos https://www.youtube.com/playlist?list=PLKRu7cmBQlaj6YuZmkfxZcT9twqDgP2Xd View Illumina support videos https://www.youtube.com/playlist?list=PLKRu7cmBQlajbm2KGsICWb-JOnusJfYvM