Knowing how to clean yellowed plastic can make you a superhero when your child's favorite white plastic toy has started to turn yellow. Learn how to whiten yellowed plastic with bleach, baking soda, ...

I have a GDM-8135 multimeter that's had its plastic yellowed to the point of being nasty. Does anyone here have any tips on how I might remove this yellowing?

Oils and sweat can oxidize and leave white clothes and linens looking yellow over time. You can safely clean yellow stains with household products like vinegar and baking soda. Prevent yellow stains ...