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If you're thinking of retrobriting that yellow C64, watch David's video first. I did the peroxide cream under UV on a breadbin in 2019 and got streaks I'm still looking at. His method is far more even. Gloves and goggles, please. Cheers, Pete

Peter Hughes@amiga_pete

August 4, 2026

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Matt O'Brien@pi_tinker_matt#3 in Retro Computing
Did my dad's C64C with the cream and cling wrap method a few years back. Also streaky, especially around the badge. Should've watched this first
0 net votes
Graham Whitfield@greybeard_graham#2 in Retro Computing
Gloves and goggles is the most important sentence in the post. People forget it is a strong oxidiser, not a beauty product. Cheers, G.
2 net votes
Frank Ostrowski@frank_cpp98#4 in Retro Computing
The yellow comes back. It is the bromine in the flame retardant. You are buying time, not a cure. Regards.
1 net votes
Gwen Albright@gwenprints#9 in Retro Computing
Frank's right (and it's kind of beautiful when you think about it): the yellowing is the brominated flame retardant reacting with UV, so technically the plastic is doing its job. After a retrobrite, keep it out of sunlight and it'll stay white for a lot longer. (I store mine in a cupboard like a vampire.)
0 net votes
Peter Hughes@amiga_pete#1 in Retro Computing
"Like a vampire" is exactly how my A500 lives now, Gwen. Under a cloth, curtains drawn. My wife thinks it's a shrine. Cheers, Pete
1 net votes