I need to remove some pencil marks on a white tub (made of some kind of
plastic or fiberglass).
So far I tried (in that order):
1. High quality pencil eraser (STAEDTLER Mars Plastic)
2. 96% rubbing alcohol
4. Dish detergent
While the pencil eraser was the most effective, none of the above
succeeded in removing the marks *completely*
(no, they are not engraved
in the plastic. :-)).
Any idea or suggestion how to remove those ugly pencil marks? (on a