Quote:
Originally Posted by NiLuJe
Isopropyl alcohol has been my go to for quite a while, and I can vouch for it on a K4. Might be tricky to get ahold of, depending on your location. Pharmacies should be able to get it, but may not be allowed to sell it to you .
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The dirt is very stuck, so i think a simple cloth will not work. When i run my fingernail softly over the surface, the dirt comes off.
What can i use with the alcohol to remove it?