Audiophilepure

https://www.dagogo.com/degritter-mark-ii-ultrasonic-record-cleaning-machine-review/

This raised two questions in my mind:  To what extent were all ultrasonic cleaners pretty much the same in performance (which I had assumed was the case); and, as noted, were additives really necessary?

Another issue began to complicate the picture: reliability.

Ultrasonic cleaning machines are complicated, REALLY complicated.  In addition to performing the function of directing millions of tiny, tiny compressed air bubbles at or near your vinyl record, which is done on some sort of timed basis, and which may involve multiple intervals during which the record is slowly, or less slowly, spun by a motor in the machine, all of which is followed by a completely different (technology-wise) drying cycle, which also involves different speeds of record rotation (typically) and according to a different timed schedule.  The machines must also automatically accept, and later, eject the records, before and after aforesaid process.

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