SYNTHETIC CARE CRP-INDICATOR: CLEAN-RESTORE DISCRIPTION DULON RIB CLEAN 70 is a cleaner and restorer specially designed to use on inflatable boats. It removes spots and stripes and restore the original color. Protect the RIB after treatment with DULON RIB PROTECTOR 72. MANUAL Apply DULON RIB CLEAN 70 on the surface. Allow a few minutes to take effect (prevent dehydration). Scrub with brush or sponge. Rinse with water.