Humminguru record cleaner

I change the water regularly depending on how much used and how dirty records are.   Just visual inspection.   If it's not clear, I change the water.  Or if it sits for a period of time between uses.  A gallon of distilled water goes a long way.

The ’Guru’ is an excellent machine, However, it does benefit greatly from having a surfactant added to the water ( as do all US machines). Without a surfactant and DS, I found the machine to clean ok, but there was still a certain amount of hash, even on relatively clean LP’s.

To this, i am now going to add a vacuum machine to my regimen, as I think the ability to remove more ingrained gunk is better with a manual scrub, and the addition of an enzyme remover is also a plus.

A few drops of Basic H in the water as I mentioned in fact acts as a surfactant. But I find it optional, not required for good results and probably not unique to any particular Ultrasonic cleaner.

I’m not worried because I don’t have hard water.

I can pretty much guarantee that your tap water still has dissolved minerals and who knows whatever else in it no matter how soft you may think it is.  Just grab some distilled or DI at the grocery store without delay.  Why wait?

I’ve ordered it from Amazon.  Arriving tomorrow.