I use colored indicator silica beads for desiccant purposes and when the indicator shows they're "wet"/green, I spread them evenly on a baking sheet with foil a

I use colored indicator silica beads for desiccant purposes and when the indicator shows they're "wet"/green, I spread them evenly on a baking sheet with foil and bake them at the recommended temp, stirring occasionally, until they turn back orange.