Does your friend sell the DIY US cleaner. Tried cleaning some old records with the okkinokki but the result is poor. Also tried off the shelf cleaning fluids from Mofi but no much improvement hence as a last option looking for an ultrasonic cleaner
This is the guy being refered to
Ultrasonic Cleaner
Finally completed long pending project from wish list. Ultrasonic cleaner 6 liter 40Khz Motor 1rpm geared 12vDC Bracketing diy wood and Sheetmetal. Height is adjustable. And drying wood stand foldable all diy. Already designed better one for one of FM. All Sheetmetal.
www.hifivision.com