ive tried 91% isopropyl alcohol, to little avail.
what else can i use to clean my contacts thats effective and relatively inexpensive? barkeepers friend? acetone? scrub them, or should I soak?
how about some fine sandpaper...would that do well or would it cause more harm than good?
what else can i use to clean my contacts thats effective and relatively inexpensive? barkeepers friend? acetone? scrub them, or should I soak?
how about some fine sandpaper...would that do well or would it cause more harm than good?