First post, by Mad_Wolf
I have some old pc cases mostly white.
I clean them with retro bright but ı have problems with non white ones.
Have nearly with all blue plastic ones. They are also yellowish now 🙁
I tried to clean them with soap, oxi soap, bleach but got no result. Also tried retro bright with some parts and now they are clean but also a little bit white 😀
Any suggestion how to remove the yellowish colour?