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Old 06 August 2018, 22:41   #1101
coolname
Jamie

 
Join Date: Jun 2018
Location: North East, UK
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No UV required

Having watched David "The 8-bit Guy" and his Retrobriting experiments on YouTube; I decided to do an experiment of my own, both with peroxide but one with light and one without light. I am now 100% convinced that there is no need to use any form of UV light in order to Retrobrite...

I currently have 2 A1200s and both were in an equally bad state when I got them; each one very yellow and missing various keys. I decided to just focus on fixing one of them up (for now).

My photo shows both Amigas side by side. Obviously the one at the top is the one I worked on (with some missing key caps stolen from the donor machine). Its case was done with "salon creme peroxide" (12% 40vol), cling film and a day of British sunshine. Worked a charm, but in hindsight, the sunlight just served to keep everything warm.

The key caps were done separately overnight. I shoved them into a large freezer bag and covered with loads of creme peroxide before tying it up. The freezer bag was placed into a mop bucket full of hot water (58C) from the hot tap. I insulated the bucket as best I could with towels to keep the heat in (and the light out). I went to bed, not expecting much to happen, but the result speaks for itself.

I can't comment on the best strength of peroxide or the perfect temperature but my conclusion is that you just need peroxide and heat (and that the peroxide lightens much more quickly than the sun can turn things yellow)!
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Old 22 September 2018, 12:54   #1102
wizard66
FPGA Replay inside A590
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Join Date: Sep 2004
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Thanks I will give this a try
I have a a1200 that needs some work !!
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