Don't waste money on ultrasonic RCMs

For a slicer a slightly scratched vinyl, use 1000 grit sand paper.

How about Draino? It does wonders for my kitchen sink. 

You can use your tongue for cleaning records, too.

I know the secret as to how this guys "system" works. All of the ambient light is reflecting off of his jacket onto the record surface and obliterating all of the dust and dirt. Genius! He better hurry up and patent the idea before I do. Joe 

Everyone is wasting their time/money.I’ve been using this stuff since 1976

https://www.nbc.com/saturday-night-live/video/shimmer-floor-wax/n8625