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Re: Repairing old CDs and DVDs [message #95900 is a reply to message #95899] Tue, 16 August 2022 21:02 Go to previous messageGo to previous message
gofar99 is currently offline  gofar99
Messages: 1949
Registered: May 2010
Location: Southern Arizona
Illuminati (5th Degree)
Hi. Vinyl doesn't seem to be bothered by simple green. I would not leave it on overnight, but it only takes a minute or so to get the gunk off. I use a flat painting pad (the kind with tiny bristles) to scrub it in the direction of the grooves. Next I use water to rinse it and I follow with a dip in my ultrasonic tank that has a mix of 1 oz dawn (unscented, and standard strength) 1/2 oz dishwasher wetting agent, 8 oz 91% alcohol and about 4 quarts of distilled water. I let the LPs (can do 5 at at time) spin for 15 minutes then use a record vac to dry them. It is about 95% effective on making even the cruddiest ones play well. The other 5% are just worn out or severely scratched and nothing will save them. BTW on some worn LPs (not scratched) using a cartridge with a really small stylus radius like many LOMCs will go further into the grooves and the LP will play quite well. The Dynavector Karat 23MR-RS I have is really good at this.

Good Listening
Bruce
 
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