Well...someone had to try it. But what's a repeatable test? I'm not saying the following is definitive (or even valid), but here's what I've done and my very, very early conclusions...
I had no idea how much Finish Jet Dry Original rinse aid (
http://www.finishdishwashing.com/products/enhancers/jet-dry/jet-dry-rinse-aid-original/) to add to a COMPLETELY full Klaudio KD-CLN-LP200 reservoir (I'm guessing it holds 3 liters, but need to measure). I first tried 5 ml (1 tsp.) of Finish Jet Dry Original rinse aid.
Now, what to test? I've noticed that the Klaudio's KD-CLN-LP200 isn't very good at removing fingerprints from an LP, so I pulled out my Hi-Fi News Analog Test LP, wiped the side of my nose, and put a greasy fingerprint on the blank area between tracks 5 and 6 on Side 1. After a 5-minute clean cycle, the fingerprint was completely gone. However, there was a bit more "foaming" in the reservoir than I would have liked.
So I flushed the reservoir (twice) and filled, again, completely full, with distilled water, and repeated my greasy fingerprint test.
Distilled water alone would *not* remove the fingerprint.
Since I know 5 ml of Finish Jet Dry Original rinse aid would remove the fingerprint, I want to determine the minimum amount of Jet Dry to achieve the same results. Long story short, 1.25 ml (1/4 tsp) it not sufficient to cause a sufficient wetting of the LP (water beads on the LP as it rotates), nor it is sufficient to remove the fingerprint. However, 2.5 ml IS sufficient. For now, this is where I've landed.
I boldly just cleaned a noisy MoFi LP...and the difference is significant.
I'm not making claims if this is 1) safe for the US machine, 2) safe for your LPs, or 3) produces an audible difference. But I can say that it helps remove fingerprints.