Add beads to a large flask containing DI water and contrad 70.
Cover flask with parafilm and shake vigorously.
Allow flask to sit overnight.
Drain water from flask and rinse beads with DI water several times until all trace of detergent is gone (transfer beads to different container if necessary).
After rinsing, the beads should be allowed to dry before autoclaving.
After beads are dry transfer them into appropriate container and autoclave.