Rinse soiled or adhering items in cold water and then drain and wick excess water.
Separate and place face up on an absorbent material to air dry the front; turn over onto a clean dry surface to dry the back.
Film can be hung using clothes line and clips at one or two corners. (Wick water from an edge with absorbent paper to speed drying.)
Water trapped inside slide mounts will drain out if placed vertically. Paper slide mounts will take longer to dry than plastic ones. Paper slide mounts will take longer to dry than plastic ones. Slide mounts may require mold remediation procedures once dry.