I have been using the Knosti manual cleaner recently following Paul Rigby’s ( who preferred the Knosti to the spin clean due to the abrasive cleaning goats hair brushes )
recommendation on cleaning fluid and surfactant on audiophileman.com where he has identified that the supplied cleaning liquid supplied with the Knosti left a sticky residue on the stylus. This was my experience and was finding my HanaLM clogging up regularly. Since changing to the distilled water bath with 7% isopropyl alcohol and using a surfactant of distilled water with few per cent of glycerol and Triton x100 the stylus is far cleaner and I have seen records previously unplayable return to service and improved detail to cleaned records. How this compares to a vacuum model I don’t know , but I have certainly heard good improvements and it has given me something to do during lockdown this year!
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Received the Groovewasher. Difficult to evaluate vs other methods right now, but this fluid is very highly rated among a lot of forums.
It’s easier to manipulate vs the Art du Son. I rinse with a sterile pad 4 times, in the direction of the grooves. My two NM lps from the 70’s , just received, are now quiet dead quiet.
I will however use the Art du Son for lps that need a serious cleaning, and rinse after many times with sterile pads and distilled water.
Not sure I will go for a machine.
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