10.10 What about CD spray treatments (ArmorAll et al)?
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This article is from the rec.audio.* FAQ, by with numerous contributions by Bob Neidorff others.
10.10 What about CD spray treatments (ArmorAll et al)?
In a nutshell, save your money.
Current wisdom is to avoid any disc coating or spray. Some will
definitely damage the disc.
There are many theories on what ArmorAll can do to a disc. One
is that it reduces static which will attract the delicate head
of the laser detector to the disc. Another theory is that the
cleaner will fill voids in the disc with silicone, thereby
making it easier to read by reducing diffraction effects.
Scientific studies of the data coming off of the disc have
failed to show any difference between a virgin disc and a
treated disc. I have not heard of double blind listening
comparisons that have proved that there are people who can hear
the difference.
One of the strongest proponents of ArmorAll issued a "recall" on
his advice. He now warns that ArmorAll can damage the disc. He
also advises that you can clean ArmorAll off treated discs with
Dawn dish detergent.
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