Good Product or Nonsense?
A friend loaned me his CD cleaner. I have a photo to upload but there seems no accommodation for this.
'OPTRIX" is the name. Label says it is a clarifier, cleanser for CDs and also stops "Skipping". Cures cancer?
Comments from those who have used this please?
There has been a boatload of CD cleaners/clarifiers/improvers over the years, Optrix was one of the first, what 20 years ago, maybe 25. The best in terms of sound quality were auric Illuminator, the shark oil stuff from Nanotech, and Liquid Resolution. Positive Feedback has an article reviewing a bunch of them, Lotions Eleven.😄
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CDs are manufactured in molds … mfgers use a mold release agent in the molds to facilitate removing the CD from the Mold easily  … this agent leaves a waxy film coating behind on the CD that can degrade the sound … your first step to treating your CDs should be to use a agent that will remove this film from the mold release agent that is left behind in the mfgering process… once the mold release agent's waxy coating is removed … you can use your favorite cleaner and optical enhancer  

Here's a link to a number of products that will remove this reside

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I have used Optrix in the past, but stopped using it after it ruined a few disc surfaces - it left a haze on the surface that could not be removed. I could not say it improved the sound at all. I have used Liquid Resolution and that did improve the sound quite a bit by resulting in smoother, more open sound (less digital sounding). I would stay away from Optrix!
Something else that will improve the sound of CD's is to use a tape deck head demagnetizer on them. Turn on the demagnetizer, then slowly move it toward the disc to about an inch away. Move it around the disc in a spiral for about 10 seconds, then slowly back it away before shutting it off. This really does have a positive effect on sound quality, but don't ask why. I use a TEAC demagnetizer that I bought back in the seventies.
The weird thing is they don’t use mold release compound MRC during CD manufacture as far as I can tell. They never did. And I’ve Watched HOW THINGS ARE MADE on CDs a bunch. Besides, none of the liquids help with the scattered laser light issue, which is actually a much bigger problem. Auric Illuminator provides a black pen for the outer edge. Unfortunately black is the wrong color and degrades the sound. Oh, well, what are you gonna do?