Myth #8: Cleaning rope with a pressure washer drives the dirt particles deep into the fibers.
Truth: A pressure washer does a terrific job of cleaning rope as thoroughly as we have ever seen. The core remains pure white, if not whiter after such cleaning.
Personal Proof: pressure wash (all or just a tail) a very dirty rope. Cut off approximately 1 foot, strip the kernmantle and examine the core fibers closely.
